56177351 has 2 divisors, whose sum is σ = 56177352. Its totient is φ = 56177350.

The previous prime is 56177347. The next prime is 56177353. The reversal of 56177351 is 15377165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56177351 - 2² = 56177347 is a prime.

Together with 56177353, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_3348377 and since 56177351 and 3348377 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56177353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28088675 + 28088676.

It is an arithmetic number, because the mean of its divisors is an integer number (28088676).

Almost surely, 2^56177351 is an apocalyptic number.

56177351 is a deficient number, since it is larger than the sum of its proper divisors (1).

56177351 is an equidigital number, since it uses as much as digits as its factorization.

56177351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22050, while the sum is 35.

The square root of 56177351 is about 7495.1551685072. The cubic root of 56177351 is about 382.9896922012.

The spelling of 56177351 in words is "fifty-six million, one hundred seventy-seven thousand, three hundred fifty-one".