55140105051 has 32 divisors (see below), whose sum is σ = 83705529600. Its totient is φ = 35853168960.

The previous prime is 55140105043. The next prime is 55140105101. The reversal of 55140105051 is 15050104155.

55140105051 is a `hidden beast` number, since 5 + 5 + 140 + 10 + 505 + 1 = 666.

It is not a de Polignac number, because 55140105051 - 2³ = 55140105043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (55140105001) 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, 6570280 + ... + 6578666.

It is an arithmetic number, because the mean of its divisors is an integer number (2615797800).

Almost surely, 2^55140105051 is an apocalyptic number.

55140105051 is a deficient number, since it is larger than the sum of its proper divisors (28565424549).

55140105051 is a wasteful number, since it uses less digits than its factorization.

55140105051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14376 (or 14370 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The spelling of 55140105051 in words is "fifty-five billion, one hundred forty million, one hundred five thousand, fifty-one".