54428976 has 160 divisors (see below), whose sum is σ = 183321600. Its totient is φ = 15137280.

The previous prime is 54428947. The next prime is 54428989. The reversal of 54428976 is 67982445.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

Its product of digits (483840) is a multiple of the sum of its prime factors (504).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123765 + ... + 124203.

It is an arithmetic number, because the mean of its divisors is an integer number (1145760).

Almost surely, 2^54428976 is an apocalyptic number.

54428976 is a gapful number since it is divisible by the number (56) 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 54428976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91660800).

54428976 is an abundant number, since it is smaller than the sum of its proper divisors (128892624).

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

54428976 is a wasteful number, since it uses less digits than its factorization.

54428976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 492 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 54428976 is about 7377.5996096291. The cubic root of 54428976 is about 378.9745575521.

The spelling of 54428976 in words is "fifty-four million, four hundred twenty-eight thousand, nine hundred seventy-six".