56151648 has 216 divisors, whose sum is σ = 194948208. Its totient is φ = 15257088.

The previous prime is 56151637. The next prime is 56151701. The reversal of 56151648 is 84615165.

56151648 is a `hidden beast` number, since 5 + 6 + 1 + 5 + 1 + 648 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 324490 + ... + 324662.

It is an arithmetic number, because the mean of its divisors is an integer number (902538).

Almost surely, 2^56151648 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 56151648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97474104).

56151648 is an abundant number, since it is smaller than the sum of its proper divisors (138796560).

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

56151648 is a wasteful number, since it uses less digits than its factorization.

56151648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 208 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 56151648 is about 7493.4403313832. The cubic root of 56151648 is about 382.9312731315.

The spelling of 56151648 in words is "fifty-six million, one hundred fifty-one thousand, six hundred forty-eight".