56676557 has 8 divisors (see below), whose sum is σ = 65995776. Its totient is φ = 47662992.

The previous prime is 56676541. The next prime is 56676661. The reversal of 56676557 is 75567665.

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

It is a cyclic number.

It is not a de Polignac number, because 56676557 - 2⁴ = 56676541 is a prime.

It is a super-2 number, since 2×56676557² = 6424464226748498, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56676457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76013 + ... + 76754.

It is an arithmetic number, because the mean of its divisors is an integer number (8249472).

Almost surely, 2^56676557 is an apocalyptic number.

It is an amenable number.

56676557 is a deficient number, since it is larger than the sum of its proper divisors (9319219).

56676557 is a wasteful number, since it uses less digits than its factorization.

56676557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152827.

The product of its digits is 1323000, while the sum is 47.

The square root of 56676557 is about 7528.3834254108. The cubic root of 56676557 is about 384.1207957824.

The spelling of 56676557 in words is "fifty-six million, six hundred seventy-six thousand, five hundred fifty-seven".