55572508015 has 4 divisors (see below), whose sum is σ = 66687009624. Its totient is φ = 44458006408.

The previous prime is 55572507997. The next prime is 55572508063. The reversal of 55572508015 is 51080527555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55572508015 - 2¹⁵ = 55572475247 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5557250797 + ... + 5557250806.

It is an arithmetic number, because the mean of its divisors is an integer number (16671752406).

Almost surely, 2^55572508015 is an apocalyptic number.

55572508015 is a deficient number, since it is larger than the sum of its proper divisors (11114501609).

55572508015 is a wasteful number, since it uses less digits than its factorization.

55572508015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11114501608.

The product of its (nonzero) digits is 350000, while the sum is 43.

The spelling of 55572508015 in words is "fifty-five billion, five hundred seventy-two million, five hundred eight thousand, fifteen".