5250020454 has 128 divisors (see below), whose sum is σ = 14161536000. Its totient is φ = 1408264704.

The previous prime is 5250020441. The next prime is 5250020467. The reversal of 5250020454 is 4540200525.

It is an interprime number because it is at equal distance from previous prime (5250020441) and next prime (5250020467).

It is a super-2 number, since 2×5250020454² = 55125429534836732232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 808332 + ... + 814800.

It is an arithmetic number, because the mean of its divisors is an integer number (110637000).

Almost surely, 2^5250020454 is an apocalyptic number.

5250020454 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5250020454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7080768000).

5250020454 is an abundant number, since it is smaller than the sum of its proper divisors (8911515546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5250020454 is a wasteful number, since it uses less digits than its factorization.

5250020454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6619 (or 6613 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 5250020454 is about 72457.0248768192. The cubic root of 5250020454 is about 1738.0155795403.

Adding to 5250020454 its reverse (4540200525), we get a palindrome (9790220979).

The spelling of 5250020454 in words is "five billion, two hundred fifty million, twenty thousand, four hundred fifty-four".