56137770 has 48 divisors (see below), whose sum is σ = 157189032. Its totient is φ = 13818240.

The previous prime is 56137727. The next prime is 56137771. The reversal of 56137770 is 7773165.

It can be written as a sum of positive squares in 4 ways, for example, as 27973521 + 28164249 = 5289^2 + 5307^2 .

It is not an unprimeable number, because it can be changed into a prime (56137771) 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 23 ways as a sum of consecutive naturals, for example, 22821 + ... + 25160.

Almost surely, 2^56137770 is an apocalyptic number.

56137770 is an abundant number, since it is smaller than the sum of its proper divisors (101051262).

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

56137770 is a wasteful number, since it uses less digits than its factorization.

56137770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48007 (or 48004 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 36.

The square root of 56137770 is about 7492.5142642507. The cubic root of 56137770 is about 382.8997231042.

The spelling of 56137770 in words is "fifty-six million, one hundred thirty-seven thousand, seven hundred seventy".