54400020 has 48 divisors (see below), whose sum is σ = 153077568. Its totient is φ = 14434560.

The previous prime is 54399997. The next prime is 54400039. The reversal of 54400020 is 2000445.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10512 + ... + 14808.

It is an arithmetic number, because the mean of its divisors is an integer number (3189116).

Almost surely, 2^54400020 is an apocalyptic number.

It is an amenable number.

54400020 is an abundant number, since it is smaller than the sum of its proper divisors (98677548).

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

54400020 is a wasteful number, since it uses less digits than its factorization.

54400020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4520 (or 4518 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 54400020 is about 7375.6369216495. The cubic root of 54400020 is about 378.9073413091.

Adding to 54400020 its reverse (2000445), we get a palindrome (56400465).

The spelling of 54400020 in words is "fifty-four million, four hundred thousand, twenty".