56951698 has 4 divisors (see below), whose sum is σ = 85427550. Its totient is φ = 28475848.

The previous prime is 56951677. The next prime is 56951701. The reversal of 56951698 is 89615965.

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., 52316289 + 4635409 = 7233^2 + 2153^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14237923 + ... + 14237926.

Almost surely, 2^56951698 is an apocalyptic number.

56951698 is a deficient number, since it is larger than the sum of its proper divisors (28475852).

56951698 is a wasteful number, since it uses less digits than its factorization.

56951698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28475851.

The product of its digits is 583200, while the sum is 49.

The square root of 56951698 is about 7546.6348792028. The cubic root of 56951698 is about 384.7413746280.

The spelling of 56951698 in words is "fifty-six million, nine hundred fifty-one thousand, six hundred ninety-eight".