54978504 has 64 divisors (see below), whose sum is σ = 158889600. Its totient is φ = 15527424.

The previous prime is 54978503. The next prime is 54978523. The reversal of 54978504 is 40587945.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (54978503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13114 + ... + 16790.

It is an arithmetic number, because the mean of its divisors is an integer number (2482650).

Almost surely, 2^54978504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54978504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79444800).

54978504 is an abundant number, since it is smaller than the sum of its proper divisors (103911096).

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

54978504 is a wasteful number, since it uses less digits than its factorization.

54978504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3782 (or 3778 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 54978504 is about 7414.7490854378. The cubic root of 54978504 is about 380.2456952165.

The spelling of 54978504 in words is "fifty-four million, nine hundred seventy-eight thousand, five hundred four".