52980000 has 120 divisors (see below), whose sum is σ = 173981808. Its totient is φ = 14112000.

The previous prime is 52979981. The next prime is 52980029. The reversal of 52980000 is 8925.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59559 + ... + 60441.

Almost surely, 2^52980000 is an apocalyptic number.

52980000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52980000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86990904).

52980000 is an abundant number, since it is smaller than the sum of its proper divisors (121001808).

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

52980000 is an equidigital number, since it uses as much as digits as its factorization.

52980000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 52980000 is about 7278.7361540311. The cubic root of 52980000 is about 375.5813206002.

Adding to 52980000 its reverse (8925), we get a palindrome (52988925).

The spelling of 52980000 in words is "fifty-two million, nine hundred eighty thousand".