55459640955 has 16 divisors (see below), whose sum is σ = 91133681184. Its totient is φ = 28779056640.

The previous prime is 55459640947. The next prime is 55459640969. The reversal of 55459640955 is 55904695455.

It is not a de Polignac number, because 55459640955 - 2³ = 55459640947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55459640895 and 55459640904.

It is an unprimeable number.

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, 49963086 + ... + 49964195.

It is an arithmetic number, because the mean of its divisors is an integer number (5695855074).

Almost surely, 2^55459640955 is an apocalyptic number.

55459640955 is a deficient number, since it is larger than the sum of its proper divisors (35674040229).

55459640955 is a wasteful number, since it uses less digits than its factorization.

55459640955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99927326.

The product of its (nonzero) digits is 24300000, while the sum is 57.

The spelling of 55459640955 in words is "fifty-five billion, four hundred fifty-nine million, six hundred forty thousand, nine hundred fifty-five".