56151306 has 40 divisors (see below), whose sum is σ = 133228260. Its totient is φ = 17615232.

The previous prime is 56151287. The next prime is 56151317. The reversal of 56151306 is 60315165.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 46172025 + 9979281 = 6795^2 + 3159^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56151306.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7441 + ... + 12948.

Almost surely, 2^56151306 is an apocalyptic number.

56151306 is an abundant number, since it is smaller than the sum of its proper divisors (77076954).

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

56151306 is a wasteful number, since it uses less digits than its factorization.

56151306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20420 (or 20411 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 56151306 is about 7493.4175113896. The cubic root of 56151306 is about 382.9304956965.

The spelling of 56151306 in words is "fifty-six million, one hundred fifty-one thousand, three hundred six".