56442777 has 8 divisors (see below), whose sum is σ = 75291840. Its totient is φ = 37611120.

The previous prime is 56442769. The next prime is 56442811. The reversal of 56442777 is 77724465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56442777 - 2³ = 56442769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56442377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9724 + ... + 14402.

It is an arithmetic number, because the mean of its divisors is an integer number (9411480).

Almost surely, 2^56442777 is an apocalyptic number.

It is an amenable number.

56442777 is a deficient number, since it is larger than the sum of its proper divisors (18849063).

56442777 is a wasteful number, since it uses less digits than its factorization.

56442777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8703.

The product of its digits is 329280, while the sum is 42.

The square root of 56442777 is about 7512.8408075774. The cubic root of 56442777 is about 383.5919262517.

The spelling of 56442777 in words is "fifty-six million, four hundred forty-two thousand, seven hundred seventy-seven".