45056777 has 4 divisors (see below), whose sum is σ = 45118980. Its totient is φ = 44994576.

The previous prime is 45056773. The next prime is 45056779. The reversal of 45056777 is 77765054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77765054 = 2 ⋅38882527.

It can be written as a sum of positive squares in 2 ways, for example, as 42758521 + 2298256 = 6539^2 + 1516^2 .

It is a cyclic number.

It is not a de Polignac number, because 45056777 - 2² = 45056773 is a prime.

It is a super-2 number, since 2×45056777² = 4060226307255458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45056773) 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, 30002 + ... + 31467.

It is an arithmetic number, because the mean of its divisors is an integer number (11279745).

Almost surely, 2^45056777 is an apocalyptic number.

It is an amenable number.

45056777 is a deficient number, since it is larger than the sum of its proper divisors (62203).

45056777 is an equidigital number, since it uses as much as digits as its factorization.

45056777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62202.

The product of its (nonzero) digits is 205800, while the sum is 41.

The square root of 45056777 is about 6712.4345061982. The cubic root of 45056777 is about 355.8388599724.

The spelling of 45056777 in words is "forty-five million, fifty-six thousand, seven hundred seventy-seven".