45055532 has 12 divisors (see below), whose sum is σ = 78963360. Its totient is φ = 22494576.

The previous prime is 45055523. The next prime is 45055537. The reversal of 45055532 is 23555054.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45055495 and 45055504.

It is not an unprimeable number, because it can be changed into a prime (45055537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5108 + ... + 10779.

It is an arithmetic number, because the mean of its divisors is an integer number (6580280).

Almost surely, 2^45055532 is an apocalyptic number.

It is an amenable number.

45055532 is a deficient number, since it is larger than the sum of its proper divisors (33907828).

45055532 is a wasteful number, since it uses less digits than its factorization.

45055532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16600 (or 16598 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 45055532 is about 6712.3417672225. The cubic root of 45055532 is about 355.8355824524.

The spelling of 45055532 in words is "forty-five million, fifty-five thousand, five hundred thirty-two".