56690070 has 64 divisors (see below), whose sum is σ = 149065920. Its totient is φ = 13733888.

The previous prime is 56690059. The next prime is 56690071. The reversal of 56690070 is 7009665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56690071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12874 + ... + 16706.

It is an arithmetic number, because the mean of its divisors is an integer number (2329155).

Almost surely, 2^56690070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56690070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74532960).

56690070 is an abundant number, since it is smaller than the sum of its proper divisors (92375850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56690070 is a wasteful number, since it uses less digits than its factorization.

56690070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3889.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 56690070 is about 7529.2808421522. The cubic root of 56690070 is about 384.1513211126.

The spelling of 56690070 in words is "fifty-six million, six hundred ninety thousand, seventy".