56197152 has 192 divisors, whose sum is σ = 183496320. Its totient is φ = 16796160.

The previous prime is 56197151. The next prime is 56197171. The reversal of 56197152 is 25179165.

56197152 is a `hidden beast` number, since 561 + 97 + 1 + 5 + 2 = 666.

It is a super-2 number, since 2×56197152² = 6316239785822208, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (56197151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 769788 + ... + 769860.

It is an arithmetic number, because the mean of its divisors is an integer number (955710).

Almost surely, 2^56197152 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 56197152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91748160).

56197152 is an abundant number, since it is smaller than the sum of its proper divisors (127299168).

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

56197152 is an equidigital number, since it uses as much as digits as its factorization.

56197152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 89 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 56197152 is about 7496.4759720818. The cubic root of 56197152 is about 383.0346847586.

The spelling of 56197152 in words is "fifty-six million, one hundred ninety-seven thousand, one hundred fifty-two".