55500665157 has 24 divisors (see below), whose sum is σ = 95013487296. Its totient is φ = 31714664832.

The previous prime is 55500665123. The next prime is 55500665167. The reversal of 55500665157 is 75156600555.

It is not a de Polignac number, because 55500665157 - 2¹¹ = 55500663109 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55500665167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16312428 + ... + 16315829.

It is an arithmetic number, because the mean of its divisors is an integer number (3958895304).

Almost surely, 2^55500665157 is an apocalyptic number.

It is an amenable number.

55500665157 is a deficient number, since it is larger than the sum of its proper divisors (39512822139).

55500665157 is an equidigital number, since it uses as much as digits as its factorization.

55500665157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32628279 (or 32628267 counting only the distinct ones).

The product of its (nonzero) digits is 787500, while the sum is 45.

The spelling of 55500665157 in words is "fifty-five billion, five hundred million, six hundred sixty-five thousand, one hundred fifty-seven".