56147669 has 16 divisors (see below), whose sum is σ = 59933952. Its totient is φ = 52491648.

The previous prime is 56147659. The next prime is 56147671. The reversal of 56147669 is 96674165.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56147669 - 2⁴ = 56147653 is a prime.

It is a super-2 number, since 2×56147669² = 6305121468267122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56147639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324467 + ... + 324639.

It is an arithmetic number, because the mean of its divisors is an integer number (3745872).

Almost surely, 2^56147669 is an apocalyptic number.

It is an amenable number.

56147669 is a deficient number, since it is larger than the sum of its proper divisors (3786283).

56147669 is a wasteful number, since it uses less digits than its factorization.

56147669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436.

The product of its digits is 272160, while the sum is 44.

The square root of 56147669 is about 7493.1748278016. The cubic root of 56147669 is about 382.9222278670.

The spelling of 56147669 in words is "fifty-six million, one hundred forty-seven thousand, six hundred sixty-nine".