45566445537 has 16 divisors (see below), whose sum is σ = 67512088000. Its totient is φ = 30374821152.

The previous prime is 45566445523. The next prime is 45566445539. The reversal of 45566445537 is 73554466554.

45566445537 is a `hidden beast` number, since 4 + 5 + 5 + 6 + 64 + 45 + 537 = 666.

It is not a de Polignac number, because 45566445537 - 2⁴ = 45566445521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45566445539) 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, 243414 + ... + 387792.

It is an arithmetic number, because the mean of its divisors is an integer number (4219505500).

Almost surely, 2^45566445537 is an apocalyptic number.

It is an amenable number.

45566445537 is a deficient number, since it is larger than the sum of its proper divisors (21945642463).

45566445537 is a wasteful number, since it uses less digits than its factorization.

45566445537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156077 (or 156071 counting only the distinct ones).

The product of its digits is 30240000, while the sum is 54.

The spelling of 45566445537 in words is "forty-five billion, five hundred sixty-six million, four hundred forty-five thousand, five hundred thirty-seven".