56906357 has 2 divisors, whose sum is σ = 56906358. Its totient is φ = 56906356.

The previous prime is 56906341. The next prime is 56906363. The reversal of 56906357 is 75360965.

56906357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34000561 + 22905796 = 5831^2 + 4786^2 .

It is a cyclic number.

It is not a de Polignac number, because 56906357 - 2⁴ = 56906341 is a prime.

It is a super-2 number, since 2×56906357² = 6476666934022898, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56906257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28453178 + 28453179.

It is an arithmetic number, because the mean of its divisors is an integer number (28453179).

Almost surely, 2^56906357 is an apocalyptic number.

It is an amenable number.

56906357 is a deficient number, since it is larger than the sum of its proper divisors (1).

56906357 is an equidigital number, since it uses as much as digits as its factorization.

56906357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 56906357 is about 7543.6302268868. The cubic root of 56906357 is about 384.6392460365.

The spelling of 56906357 in words is "fifty-six million, nine hundred six thousand, three hundred fifty-seven".