56078578 has 4 divisors (see below), whose sum is σ = 84117870. Its totient is φ = 28039288.

The previous prime is 56078549. The next prime is 56078591. The reversal of 56078578 is 87587065.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 56055169 + 23409 = 7487^2 + 153^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14019643 + ... + 14019646.

Almost surely, 2^56078578 is an apocalyptic number.

56078578 is a deficient number, since it is larger than the sum of its proper divisors (28039292).

56078578 is a wasteful number, since it uses less digits than its factorization.

56078578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28039291.

The product of its (nonzero) digits is 470400, while the sum is 46.

The square root of 56078578 is about 7488.5631465589. The cubic root of 56078578 is about 382.7650985251.

The spelling of 56078578 in words is "fifty-six million, seventy-eight thousand, five hundred seventy-eight".