54626218015 has 16 divisors (see below), whose sum is σ = 68481294336. Its totient is φ = 41781722400.

The previous prime is 54626217991. The next prime is 54626218043. The reversal of 54626218015 is 51081262645.

It is not a de Polignac number, because 54626218015 - 2⁷ = 54626217887 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 2110191 + ... + 2135920.

It is an arithmetic number, because the mean of its divisors is an integer number (4280080896).

Almost surely, 2^54626218015 is an apocalyptic number.

54626218015 is a deficient number, since it is larger than the sum of its proper divisors (13855076321).

54626218015 is a wasteful number, since it uses less digits than its factorization.

54626218015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4246230.

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 54626218015 in words is "fifty-four billion, six hundred twenty-six million, two hundred eighteen thousand, fifteen".