54691392 has 56 divisors (see below), whose sum is σ = 165380416. Its totient is φ = 15625728.

The previous prime is 54691387. The next prime is 54691423. The reversal of 54691392 is 29319645.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×54691392² = 5982296717795328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54691392.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19003 + ... + 21690.

Almost surely, 2^54691392 is an apocalyptic number.

It is an amenable number.

54691392 is an abundant number, since it is smaller than the sum of its proper divisors (110689024).

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

54691392 is a wasteful number, since it uses less digits than its factorization.

54691392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40715 (or 40705 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 54691392 is about 7395.3628714215. The cubic root of 54691392 is about 379.5826257694.

The spelling of 54691392 in words is "fifty-four million, six hundred ninety-one thousand, three hundred ninety-two".