45220552 has 16 divisors (see below), whose sum is σ = 91310940. Its totient is φ = 20870976.

The previous prime is 45220543. The next prime is 45220573. The reversal of 45220552 is 25502254.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44435556 + 784996 = 6666^2 + 886^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217303 + ... + 217510.

Almost surely, 2^45220552 is an apocalyptic number.

It is an amenable number.

45220552 is an abundant number, since it is smaller than the sum of its proper divisors (46090388).

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

45220552 is a wasteful number, since it uses less digits than its factorization.

45220552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434832 (or 434828 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 45220552 is about 6724.6228147012. The cubic root of 45220552 is about 356.2694799238.

The spelling of 45220552 in words is "forty-five million, two hundred twenty thousand, five hundred fifty-two".