55432021362657 has 16 divisors (see below), whose sum is σ = 73926256713792. Its totient is φ = 36946234128960.

The previous prime is 55432021362629. The next prime is 55432021362857. The reversal of 55432021362657 is 75626312023455.

55432021362657 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 55432021362657 - 2²³ = 55432012974049 is a prime.

It is a super-2 number, since 2×55432021362657² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55432021362617) 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 15 ways as a sum of consecutive naturals, for example, 403052698 + ... + 403190204.

It is an arithmetic number, because the mean of its divisors is an integer number (4620391044612).

Almost surely, 2^{55432021362657} is an apocalyptic number.

It is an amenable number.

55432021362657 is a deficient number, since it is larger than the sum of its proper divisors (18494235351135).

55432021362657 is a wasteful number, since it uses less digits than its factorization.

55432021362657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167248.

The product of its (nonzero) digits is 9072000, while the sum is 51.

The spelling of 55432021362657 in words is "fifty-five trillion, four hundred thirty-two billion, twenty-one million, three hundred sixty-two thousand, six hundred fifty-seven".