55150829121231 has 12 divisors (see below), whose sum is σ = 80235418867240. Its totient is φ = 36502707043440.

The previous prime is 55150829121187. The next prime is 55150829121287. The reversal of 55150829121231 is 13212192805155.

55150829121231 is a `hidden beast` number, since 5 + 5 + 1 + 508 + 2 + 9 + 12 + 123 + 1 = 666.

55150829121231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-55150829121231 is a prime.

It is a super-2 number, since 2×55150829121231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55150829122231) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 22042696240 + ... + 22042698741.

Almost surely, 2^{55150829121231} is an apocalyptic number.

55150829121231 is a deficient number, since it is larger than the sum of its proper divisors (25084589746009).

55150829121231 is a wasteful number, since it uses less digits than its factorization.

55150829121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44085395126 (or 44085395123 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 45.

The spelling of 55150829121231 in words is "fifty-five trillion, one hundred fifty billion, eight hundred twenty-nine million, one hundred twenty-one thousand, two hundred thirty-one".