55432557516051 has 12 divisors (see below), whose sum is σ = 80078039988960. Its totient is φ = 36950981308560.

The previous prime is 55432557516041. The next prime is 55432557516071. The reversal of 55432557516051 is 15061575523455.

55432557516051 is a `hidden beast` number, since 5 + 5 + 4 + 3 + 2 + 5 + 575 + 1 + 60 + 5 + 1 = 666.

55432557516051 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 55432557516051 - 2²¹ = 55432555418899 is a prime.

It is a super-2 number, since 2×55432557516051² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55432557516041) 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, 337999755 + ... + 338163716.

It is an arithmetic number, because the mean of its divisors is an integer number (6673169999080).

Almost surely, 2^{55432557516051} is an apocalyptic number.

55432557516051 is a deficient number, since it is larger than the sum of its proper divisors (24645482472909).

55432557516051 is a wasteful number, since it uses less digits than its factorization.

55432557516051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676172586 (or 676172583 counting only the distinct ones).

The product of its (nonzero) digits is 15750000, while the sum is 54.

The spelling of 55432557516051 in words is "fifty-five trillion, four hundred thirty-two billion, five hundred fifty-seven million, five hundred sixteen thousand, fifty-one".