45977955 has 32 divisors (see below), whose sum is σ = 75302400. Its totient is φ = 23950080.

The previous prime is 45977947. The next prime is 45977959. The reversal of 45977955 is 55977954.

It is not a de Polignac number, because 45977955 - 2³ = 45977947 is a prime.

It is a super-2 number, since 2×45977955² = 4227944691964050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45977898 and 45977907.

It is not an unprimeable number, because it can be changed into a prime (45977959) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217800 + ... + 218010.

It is an arithmetic number, because the mean of its divisors is an integer number (2353200).

Almost surely, 2^45977955 is an apocalyptic number.

45977955 is a deficient number, since it is larger than the sum of its proper divisors (29324445).

45977955 is a wasteful number, since it uses less digits than its factorization.

45977955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491.

The product of its digits is 1984500, while the sum is 51.

The square root of 45977955 is about 6780.7046094045. The cubic root of 45977955 is about 358.2475400641.

Subtracting 45977955 from its reverse (55977954), we obtain a palindrome (9999999).

The spelling of 45977955 in words is "forty-five million, nine hundred seventy-seven thousand, nine hundred fifty-five".