45520521555 has 16 divisors (see below), whose sum is σ = 72845385120. Its totient is φ = 24273427968.

The previous prime is 45520521547. The next prime is 45520521587. The reversal of 45520521555 is 55512502554.

It is not a de Polignac number, because 45520521555 - 2³ = 45520521547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170502 + ... + 346571.

It is an arithmetic number, because the mean of its divisors is an integer number (4552836570).

Almost surely, 2^45520521555 is an apocalyptic number.

45520521555 is a deficient number, since it is larger than the sum of its proper divisors (27324863565).

45520521555 is a wasteful number, since it uses less digits than its factorization.

45520521555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522950.

The product of its (nonzero) digits is 250000, while the sum is 39.

The spelling of 45520521555 in words is "forty-five billion, five hundred twenty million, five hundred twenty-one thousand, five hundred fifty-five".