54640432 has 40 divisors (see below), whose sum is σ = 131991552. Its totient is φ = 21288000.

The previous prime is 54640381. The next prime is 54640451. The reversal of 54640432 is 23404645.

54640432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (28) 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 (28).

It is a self number, because there is not a number n which added to its sum of digits gives 54640432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20944 + ... + 23407.

Almost surely, 2^54640432 is an apocalyptic number.

It is an amenable number.

54640432 is an abundant number, since it is smaller than the sum of its proper divisors (77351120).

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

54640432 is a wasteful number, since it uses less digits than its factorization.

54640432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44377 (or 44371 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 54640432 is about 7391.9166661969. The cubic root of 54640432 is about 379.4646940989.

The spelling of 54640432 in words is "fifty-four million, six hundred forty thousand, four hundred thirty-two".