45056020 has 24 divisors (see below), whose sum is σ = 97671168. Its totient is φ = 17440800.

The previous prime is 45055993. The next prime is 45056029. The reversal of 45056020 is 2065054.

It is a junction number, because it is equal to n+sod(n) for n = 45055982 and 45056000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45056029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35716 + ... + 36955.

It is an arithmetic number, because the mean of its divisors is an integer number (4069632).

Almost surely, 2^45056020 is an apocalyptic number.

It is an amenable number.

45056020 is an abundant number, since it is smaller than the sum of its proper divisors (52615148).

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

45056020 is a wasteful number, since it uses less digits than its factorization.

45056020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72711 (or 72709 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 45056020 is about 6712.3781180741. The cubic root of 45056020 is about 355.8368671421.

The spelling of 45056020 in words is "forty-five million, fifty-six thousand, twenty".