45444522550 has 48 divisors (see below), whose sum is σ = 96625324512. Its totient is φ = 15577228800.

The previous prime is 45444522547. The next prime is 45444522577. The reversal of 45444522550 is 5522544454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1713390 + ... + 1739710.

It is an arithmetic number, because the mean of its divisors is an integer number (2013027594).

Almost surely, 2^45444522550 is an apocalyptic number.

45444522550 is an abundant number, since it is smaller than the sum of its proper divisors (51180801962).

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

45444522550 is a wasteful number, since it uses less digits than its factorization.

45444522550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31273 (or 31268 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 40.

The spelling of 45444522550 in words is "forty-five billion, four hundred forty-four million, five hundred twenty-two thousand, five hundred fifty".