56751156 has 144 divisors (see below), whose sum is σ = 182407680. Its totient is φ = 14448960.

The previous prime is 56751133. The next prime is 56751161. The reversal of 56751156 is 65115765.

56751156 = T₃₀₄ + T₃₀₅ + ... + T₇₁₆.

56751156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 56751156.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163375 + ... + 163721.

It is an arithmetic number, because the mean of its divisors is an integer number (1266720).

Almost surely, 2^56751156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56751156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91203840).

56751156 is an abundant number, since it is smaller than the sum of its proper divisors (125656524).

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

56751156 is a wasteful number, since it uses less digits than its factorization.

56751156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 429 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 56751156 is about 7533.3363126838. The cubic root of 56751156 is about 384.2892514651.

The spelling of 56751156 in words is "fifty-six million, seven hundred fifty-one thousand, one hundred fifty-six".