45511660 has 12 divisors (see below), whose sum is σ = 95574528. Its totient is φ = 18204656.

The previous prime is 45511649. The next prime is 45511667. The reversal of 45511660 is 6611554.

It is a super-2 number, since 2×45511660² = 4142622391911200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45511667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137772 + ... + 1137811.

It is an arithmetic number, because the mean of its divisors is an integer number (7964544).

Almost surely, 2^45511660 is an apocalyptic number.

It is an amenable number.

45511660 is an abundant number, since it is smaller than the sum of its proper divisors (50062868).

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

45511660 is a wasteful number, since it uses less digits than its factorization.

45511660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275592 (or 2275590 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 45511660 is about 6746.2330229544. The cubic root of 45511660 is about 357.0323420340.

The spelling of 45511660 in words is "forty-five million, five hundred eleven thousand, six hundred sixty".