55500501057 has 32 divisors (see below), whose sum is σ = 78704440320. Its totient is φ = 34690368960.

The previous prime is 55500501047. The next prime is 55500501073. The reversal of 55500501057 is 75010500555.

It is not a de Polignac number, because 55500501057 - 2⁴ = 55500501041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55500501047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2775228 + ... + 2795154.

It is an arithmetic number, because the mean of its divisors is an integer number (2459513760).

Almost surely, 2^55500501057 is an apocalyptic number.

55500501057 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

55500501057 is a deficient number, since it is larger than the sum of its proper divisors (23203939263).

55500501057 is a wasteful number, since it uses less digits than its factorization.

55500501057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20453.

The product of its (nonzero) digits is 21875, while the sum is 33.

The spelling of 55500501057 in words is "fifty-five billion, five hundred million, five hundred one thousand, fifty-seven".