56629773 has 10 divisors (see below), whose sum is σ = 84595214. Its totient is φ = 37753128.

The previous prime is 56629757. The next prime is 56629789. The reversal of 56629773 is 37792665.

It is an interprime number because it is at equal distance from previous prime (56629757) and next prime (56629789).

It can be written as a sum of positive squares in only one way, i.e., 47155689 + 9474084 = 6867^2 + 3078^2 .

It is not a de Polignac number, because 56629773 - 2⁴ = 56629757 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 (56629723) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 349486 + ... + 349647.

Almost surely, 2^56629773 is an apocalyptic number.

It is an amenable number.

56629773 is a deficient number, since it is larger than the sum of its proper divisors (27965441).

56629773 is an equidigital number, since it uses as much as digits as its factorization.

56629773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699145 (or 699136 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 56629773 is about 7525.2756095707. The cubic root of 56629773 is about 384.0150750918.

The spelling of 56629773 in words is "fifty-six million, six hundred twenty-nine thousand, seven hundred seventy-three".