45556737 has 16 divisors (see below), whose sum is σ = 65429760. Its totient is φ = 28102032.

The previous prime is 45556727. The next prime is 45556739. The reversal of 45556737 is 73765554.

It is not a de Polignac number, because 45556737 - 2²⁰ = 44508161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45556739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6843 + ... + 11744.

It is an arithmetic number, because the mean of its divisors is an integer number (4089360).

Almost surely, 2^45556737 is an apocalyptic number.

It is an amenable number.

45556737 is a deficient number, since it is larger than the sum of its proper divisors (19873023).

45556737 is a wasteful number, since it uses less digits than its factorization.

45556737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18652.

The product of its digits is 441000, while the sum is 42.

The square root of 45556737 is about 6749.5730976114. The cubic root of 45556737 is about 357.1501773052.

The spelling of 45556737 in words is "forty-five million, five hundred fifty-six thousand, seven hundred thirty-seven".