54792780 has 72 divisors (see below), whose sum is σ = 178477488. Its totient is φ = 12523392.

The previous prime is 54792767. The next prime is 54792781. The reversal of 54792780 is 8729745.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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 (54792781) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6379 + ... + 12258.

It is an arithmetic number, because the mean of its divisors is an integer number (2478854).

Almost surely, 2^54792780 is an apocalyptic number.

It is an amenable number.

54792780 is an abundant number, since it is smaller than the sum of its proper divisors (123684708).

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

54792780 is a wasteful number, since it uses less digits than its factorization.

54792780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18663 (or 18654 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 54792780 is about 7402.2145335028. The cubic root of 54792780 is about 379.8170402712.

The spelling of 54792780 in words is "fifty-four million, seven hundred ninety-two thousand, seven hundred eighty".