55637144550575 has 36 divisors (see below), whose sum is σ = 81034343126352. Its totient is φ = 37120071571200.

The previous prime is 55637144550539. The next prime is 55637144550601. The reversal of 55637144550575 is 57505544173655.

It is a happy number.

55637144550575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55637144550575 - 2⁸ = 55637144550319 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 115876766 + ... + 116355915.

It is an arithmetic number, because the mean of its divisors is an integer number (2250953975732).

Almost surely, 2^{55637144550575} is an apocalyptic number.

55637144550575 is a deficient number, since it is larger than the sum of its proper divisors (25397198575777).

55637144550575 is a wasteful number, since it uses less digits than its factorization.

55637144550575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232232772 (or 232232730 counting only the distinct ones).

The product of its (nonzero) digits is 220500000, while the sum is 62.

The spelling of 55637144550575 in words is "fifty-five trillion, six hundred thirty-seven billion, one hundred forty-four million, five hundred fifty thousand, five hundred seventy-five".