54641623506 has 16 divisors (see below), whose sum is σ = 113051635200. Its totient is φ = 17585809808.

The previous prime is 54641623489. The next prime is 54641623511. The reversal of 54641623506 is 60532614645.

It is a super-4 number, since 4×54641623506⁴ (a number of 44 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157015986 + ... + 157016333.

It is an arithmetic number, because the mean of its divisors is an integer number (7065727200).

Almost surely, 2^54641623506 is an apocalyptic number.

54641623506 is an abundant number, since it is smaller than the sum of its proper divisors (58410011694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54641623506 is a wasteful number, since it uses less digits than its factorization.

54641623506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314032353.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 54641623506 in words is "fifty-four billion, six hundred forty-one million, six hundred twenty-three thousand, five hundred six".