45557779136 has 42 divisors (see below), whose sum is σ = 92913276708. Its totient is φ = 22163201280.

The previous prime is 45557779133. The next prime is 45557779139. The reversal of 45557779136 is 63197775554.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45557779133) and next prime (45557779139).

It is a super-2 number, since 2×45557779136² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45557779133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172370 + ... + 347601.

It is an arithmetic number, because the mean of its divisors is an integer number (2212220874).

Almost surely, 2^45557779136 is an apocalyptic number.

It is an amenable number.

45557779136 is an abundant number, since it is smaller than the sum of its proper divisors (47355497572).

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

45557779136 is an equidigital number, since it uses as much as digits as its factorization.

45557779136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520057 (or 520010 counting only the distinct ones).

The product of its digits is 27783000, while the sum is 59.

The spelling of 45557779136 in words is "forty-five billion, five hundred fifty-seven million, seven hundred seventy-nine thousand, one hundred thirty-six".