56949775 has 12 divisors (see below), whose sum is σ = 71269000. Its totient is φ = 45139680.

The previous prime is 56949773. The next prime is 56949791. The reversal of 56949775 is 57794965.

It is a happy number.

It is not a de Polignac number, because 56949775 - 2¹ = 56949773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56949773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7725 + ... + 13174.

Almost surely, 2^56949775 is an apocalyptic number.

56949775 is a deficient number, since it is larger than the sum of its proper divisors (14319225).

56949775 is a wasteful number, since it uses less digits than its factorization.

56949775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21018 (or 21013 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 52.

The square root of 56949775 is about 7546.5074703468. The cubic root of 56949775 is about 384.7370442568.

The spelling of 56949775 in words is "fifty-six million, nine hundred forty-nine thousand, seven hundred seventy-five".