56151178 has 4 divisors (see below), whose sum is σ = 84226770. Its totient is φ = 28075588.

The previous prime is 56151167. The next prime is 56151197. The reversal of 56151178 is 87115165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87115165 = 5 ⋅17423033.

It can be written as a sum of positive squares in only one way, i.e., 34963569 + 21187609 = 5913^2 + 4603^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14037793 + ... + 14037796.

Almost surely, 2^56151178 is an apocalyptic number.

56151178 is a deficient number, since it is larger than the sum of its proper divisors (28075592).

56151178 is a wasteful number, since it uses less digits than its factorization.

56151178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28075591.

The product of its digits is 8400, while the sum is 34.

The square root of 56151178 is about 7493.4089705554. The cubic root of 56151178 is about 382.9302047259.

The spelling of 56151178 in words is "fifty-six million, one hundred fifty-one thousand, one hundred seventy-eight".