56117236 has 48 divisors (see below), whose sum is σ = 116064256. Its totient is φ = 23242464.

The previous prime is 56117227. The next prime is 56117251. The reversal of 56117236 is 63271165.

It is a junction number, because it is equal to n+sod(n) for n = 56117198 and 56117207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152725 + ... + 153091.

Almost surely, 2^56117236 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 56117236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58032128).

56117236 is an abundant number, since it is smaller than the sum of its proper divisors (59947020).

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

56117236 is a wasteful number, since it uses less digits than its factorization.

56117236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 546 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 56117236 is about 7491.1438378928. The cubic root of 56117236 is about 382.8530318911.

The spelling of 56117236 in words is "fifty-six million, one hundred seventeen thousand, two hundred thirty-six".