54626641809 has 32 divisors (see below), whose sum is σ = 80033664000. Its totient is φ = 32988098880.

The previous prime is 54626641801. The next prime is 54626641819. The reversal of 54626641809 is 90814662645.

It is not a de Polignac number, because 54626641809 - 2³ = 54626641801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54626641801) 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, 4163742 + ... + 4176840.

It is an arithmetic number, because the mean of its divisors is an integer number (2501052000).

Almost surely, 2^54626641809 is an apocalyptic number.

It is an amenable number.

54626641809 is a deficient number, since it is larger than the sum of its proper divisors (25407022191).

54626641809 is a wasteful number, since it uses less digits than its factorization.

54626641809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16325.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 54626641809 in words is "fifty-four billion, six hundred twenty-six million, six hundred forty-one thousand, eight hundred nine".