45565497 has 10 divisors (see below), whose sum is σ = 68067098. Its totient is φ = 30376944.

The previous prime is 45565493. The next prime is 45565501. The reversal of 45565497 is 79456554.

45565497 is a `hidden beast` number, since 4 + 556 + 5 + 4 + 97 = 666.

It is an interprime number because it is at equal distance from previous prime (45565493) and next prime (45565501).

It can be written as a sum of positive squares in only one way, i.e., 44475561 + 1089936 = 6669^2 + 1044^2 .

It is not a de Polignac number, because 45565497 - 2² = 45565493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45565493) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 281188 + ... + 281349.

Almost surely, 2^45565497 is an apocalyptic number.

It is an amenable number.

45565497 is a deficient number, since it is larger than the sum of its proper divisors (22501601).

45565497 is an equidigital number, since it uses as much as digits as its factorization.

45565497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562549 (or 562540 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 45565497 is about 6750.2219963495. The cubic root of 45565497 is about 357.1730676997.

The spelling of 45565497 in words is "forty-five million, five hundred sixty-five thousand, four hundred ninety-seven".