45955979 has 4 divisors (see below), whose sum is σ = 46306920. Its totient is φ = 45605040.

The previous prime is 45955967. The next prime is 45955993. The reversal of 45955979 is 97955954.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97955954 = 2 ⋅48977977.

It is a cyclic number.

It is not a de Polignac number, because 45955979 - 2¹⁶ = 45890443 is a prime.

It is a super-2 number, since 2×45955979² = 4223904011696882, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45955979.

It is not an unprimeable number, because it can be changed into a prime (45955579) 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, 175274 + ... + 175535.

It is an arithmetic number, because the mean of its divisors is an integer number (11576730).

Almost surely, 2^45955979 is an apocalyptic number.

45955979 is a deficient number, since it is larger than the sum of its proper divisors (350941).

45955979 is a wasteful number, since it uses less digits than its factorization.

45955979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350940.

The product of its digits is 2551500, while the sum is 53.

The square root of 45955979 is about 6779.0839351641. The cubic root of 45955979 is about 358.1904539917.

The spelling of 45955979 in words is "forty-five million, nine hundred fifty-five thousand, nine hundred seventy-nine".