55642504 has 8 divisors (see below), whose sum is σ = 104329710. Its totient is φ = 27821248.

The previous prime is 55642423. The next prime is 55642511. The reversal of 55642504 is 40524655.

It can be written as a sum of positive squares in only one way, i.e., 31337604 + 24304900 = 5598^2 + 4930^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3477649 + ... + 3477664.

Almost surely, 2^55642504 is an apocalyptic number.

It is an amenable number.

55642504 is a deficient number, since it is larger than the sum of its proper divisors (48687206).

55642504 is a wasteful number, since it uses less digits than its factorization.

55642504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955319 (or 6955315 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 55642504 is about 7459.3903236122. The cubic root of 55642504 is about 381.7703726712.

The spelling of 55642504 in words is "fifty-five million, six hundred forty-two thousand, five hundred four".