56700901 has 4 divisors (see below), whose sum is σ = 56755404. Its totient is φ = 56646400.

The previous prime is 56700893. The next prime is 56700913. The reversal of 56700901 is 10900765.

It is a happy number.

It is a Cunningham number, because it is equal to 7530²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37332100 + 19368801 = 6110^2 + 4401^2 .

It is a cyclic number.

It is not a de Polignac number, because 56700901 - 2³ = 56700893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56700901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56700401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25660 + ... + 27781.

It is an arithmetic number, because the mean of its divisors is an integer number (14188851).

Almost surely, 2^56700901 is an apocalyptic number.

It is an amenable number.

56700901 is a deficient number, since it is larger than the sum of its proper divisors (54503).

56700901 is a wasteful number, since it uses less digits than its factorization.

56700901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54502.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 56700901 is about 7530.0000664011. Note that the first 4 decimals coincide. The cubic root of 56700901 is about 384.1757844093.

The spelling of 56700901 in words is "fifty-six million, seven hundred thousand, nine hundred one".