56270690 has 16 divisors (see below), whose sum is σ = 115756992. Its totient is φ = 19292784.

The previous prime is 56270689. The next prime is 56270699. The reversal of 56270690 is 9607265.

It is a super-2 number, since 2×56270690² = 6332781106152200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56270690.

It is not an unprimeable number, because it can be changed into a prime (56270699) 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, 401864 + ... + 402003.

It is an arithmetic number, because the mean of its divisors is an integer number (7234812).

Almost surely, 2^56270690 is an apocalyptic number.

56270690 is an abundant number, since it is smaller than the sum of its proper divisors (59486302).

56270690 is a wasteful number, since it uses less digits than its factorization.

56270690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803881.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 56270690 is about 7501.3792065193. The cubic root of 56270690 is about 383.2016880445.

The spelling of 56270690 in words is "fifty-six million, two hundred seventy thousand, six hundred ninety".