45979893 has 10 divisors (see below), whose sum is σ = 68686134. Its totient is φ = 30653208.

The previous prime is 45979891. The next prime is 45979903. The reversal of 45979893 is 39897954.

It can be written as a sum of positive squares in only one way, i.e., 35070084 + 10909809 = 5922^2 + 3303^2 .

It is not a de Polignac number, because 45979893 - 2¹ = 45979891 is a prime.

It is a super-2 number, since 2×45979893² = 4228301120582898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45979891) 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, 283746 + ... + 283907.

Almost surely, 2^45979893 is an apocalyptic number.

It is an amenable number.

45979893 is a deficient number, since it is larger than the sum of its proper divisors (22706241).

45979893 is an equidigital number, since it uses as much as digits as its factorization.

45979893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567665 (or 567656 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 45979893 is about 6780.8475134013. The cubic root of 45979893 is about 358.2525734471.

The spelling of 45979893 in words is "forty-five million, nine hundred seventy-nine thousand, eight hundred ninety-three".