55540504 has 8 divisors (see below), whose sum is σ = 104138460. Its totient is φ = 27770248.

The previous prime is 55540487. The next prime is 55540519. The reversal of 55540504 is 40504555.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3471274 + ... + 3471289.

Almost surely, 2^55540504 is an apocalyptic number.

It is an amenable number.

55540504 is a deficient number, since it is larger than the sum of its proper divisors (48597956).

55540504 is a wasteful number, since it uses less digits than its factorization.

55540504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6942569 (or 6942565 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 55540504 is about 7452.5501675601. The cubic root of 55540504 is about 381.5369516119.

The spelling of 55540504 in words is "fifty-five million, five hundred forty thousand, five hundred four".