56123501292 has 120 divisors (see below), whose sum is σ = 151901386560. Its totient is φ = 18047957760.

The previous prime is 56123501281. The next prime is 56123501347. The reversal of 56123501292 is 29210532165.

It is a happy number.

56123501292 is a `hidden beast` number, since 5 + 6 + 12 + 350 + 1 + 292 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22934413 + ... + 22936859.

It is an arithmetic number, because the mean of its divisors is an integer number (1265844888).

Almost surely, 2^56123501292 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 56123501292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75950693280).

56123501292 is an abundant number, since it is smaller than the sum of its proper divisors (95777885268).

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

56123501292 is a wasteful number, since it uses less digits than its factorization.

56123501292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4933 (or 4922 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 56123501292 in words is "fifty-six billion, one hundred twenty-three million, five hundred one thousand, two hundred ninety-two".