56635081 has 8 divisors (see below), whose sum is σ = 57339464. Its totient is φ = 55935360.

The previous prime is 56635069. The next prime is 56635097. The reversal of 56635081 is 18053665.

It can be written as a sum of positive squares in 4 ways, for example, as 250000 + 56385081 = 500^2 + 7509^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56635081 - 2¹⁷ = 56504009 is a prime.

It is a super-2 number, since 2×56635081² = 6415064799753122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56635781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27421 + ... + 29413.

It is an arithmetic number, because the mean of its divisors is an integer number (7167433).

Almost surely, 2^56635081 is an apocalyptic number.

It is an amenable number.

56635081 is a deficient number, since it is larger than the sum of its proper divisors (704383).

56635081 is a wasteful number, since it uses less digits than its factorization.

56635081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 56635081 is about 7525.6282794196. The cubic root of 56635081 is about 384.0270728345.

The spelling of 56635081 in words is "fifty-six million, six hundred thirty-five thousand, eighty-one".