56371069 has 2 divisors, whose sum is σ = 56371070. Its totient is φ = 56371068.

The previous prime is 56371061. The next prime is 56371079. The reversal of 56371069 is 96017365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51308569 + 5062500 = 7163^2 + 2250^2 .

It is a cyclic number.

It is not a de Polignac number, because 56371069 - 2³ = 56371061 is a prime.

It is a super-2 number, since 2×56371069² = 6355394840405522, 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 (56371061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28185534 + 28185535.

It is an arithmetic number, because the mean of its divisors is an integer number (28185535).

Almost surely, 2^56371069 is an apocalyptic number.

It is an amenable number.

56371069 is a deficient number, since it is larger than the sum of its proper divisors (1).

56371069 is an equidigital number, since it uses as much as digits as its factorization.

56371069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 56371069 is about 7508.0669283112. The cubic root of 56371069 is about 383.4294120017.

The spelling of 56371069 in words is "fifty-six million, three hundred seventy-one thousand, sixty-nine".