56166701 has 2 divisors, whose sum is σ = 56166702. Its totient is φ = 56166700.

The previous prime is 56166689. The next prime is 56166731. The reversal of 56166701 is 10766165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46717225 + 9449476 = 6835^2 + 3074^2 .

It is a cyclic number.

It is not a de Polignac number, because 56166701 - 2¹⁰ = 56165677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56166731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28083350 + 28083351.

It is an arithmetic number, because the mean of its divisors is an integer number (28083351).

Almost surely, 2^56166701 is an apocalyptic number.

It is an amenable number.

56166701 is a deficient number, since it is larger than the sum of its proper divisors (1).

56166701 is an equidigital number, since it uses as much as digits as its factorization.

56166701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 56166701 is about 7494.4446758916. Note that the first 3 decimals coincide. The cubic root of 56166701 is about 382.9654885086.

The spelling of 56166701 in words is "fifty-six million, one hundred sixty-six thousand, seven hundred one".