54778976 has 96 divisors (see below), whose sum is σ = 132491520. Its totient is φ = 21772800.

The previous prime is 54778973. The next prime is 54779009. The reversal of 54778976 is 67987745.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54778973) 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, 259511 + ... + 259721.

It is an arithmetic number, because the mean of its divisors is an integer number (1380120).

Almost surely, 2^54778976 is an apocalyptic number.

54778976 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 54778976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66245760).

54778976 is an abundant number, since it is smaller than the sum of its proper divisors (77712544).

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

54778976 is a wasteful number, since it uses less digits than its factorization.

54778976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 300 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 53.

The square root of 54778976 is about 7401.2820511044. The cubic root of 54778976 is about 379.7851416963.

The spelling of 54778976 in words is "fifty-four million, seven hundred seventy-eight thousand, nine hundred seventy-six".