56427775 has 24 divisors (see below), whose sum is σ = 73281024. Its totient is φ = 43056000.

The previous prime is 56427769. The next prime is 56427779. The reversal of 56427775 is 57772465.

It is not a de Polignac number, because 56427775 - 2⁷ = 56427647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56427779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48450 + ... + 49600.

It is an arithmetic number, because the mean of its divisors is an integer number (3053376).

Almost surely, 2^56427775 is an apocalyptic number.

56427775 is a deficient number, since it is larger than the sum of its proper divisors (16853249).

56427775 is a wasteful number, since it uses less digits than its factorization.

56427775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251 (or 1246 counting only the distinct ones).

The product of its digits is 411600, while the sum is 43.

The square root of 56427775 is about 7511.8423173014. The cubic root of 56427775 is about 383.5579381059.

The spelling of 56427775 in words is "fifty-six million, four hundred twenty-seven thousand, seven hundred seventy-five".