56851653 has 16 divisors (see below), whose sum is σ = 79557120. Its totient is φ = 36042864.

The previous prime is 56851649. The next prime is 56851657. The reversal of 56851653 is 35615865.

It is an interprime number because it is at equal distance from previous prime (56851649) and next prime (56851657).

It is not a de Polignac number, because 56851653 - 2² = 56851649 is a prime.

It is a super-2 number, since 2×56851653² = 6464220897664818, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56851657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10050 + ... + 14652.

It is an arithmetic number, because the mean of its divisors is an integer number (4972320).

Almost surely, 2^56851653 is an apocalyptic number.

It is an amenable number.

56851653 is a deficient number, since it is larger than the sum of its proper divisors (22705467).

56851653 is a wasteful number, since it uses less digits than its factorization.

56851653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808.

The product of its digits is 108000, while the sum is 39.

The square root of 56851653 is about 7540.0035145880. The cubic root of 56851653 is about 384.5159554685.

The spelling of 56851653 in words is "fifty-six million, eight hundred fifty-one thousand, six hundred fifty-three".