56062778 has 4 divisors (see below), whose sum is σ = 84094170. Its totient is φ = 28031388.

The previous prime is 56062763. The next prime is 56062781. The reversal of 56062778 is 87726065.

It is a happy number.

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., 51165409 + 4897369 = 7153^2 + 2213^2 .

It is a super-3 number, since 3×56062778³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14015693 + ... + 14015696.

Almost surely, 2^56062778 is an apocalyptic number.

56062778 is a deficient number, since it is larger than the sum of its proper divisors (28031392).

56062778 is a wasteful number, since it uses less digits than its factorization.

56062778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28031391.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 56062778 is about 7487.5081302126. The cubic root of 56062778 is about 382.7291474434.

The spelling of 56062778 in words is "fifty-six million, sixty-two thousand, seven hundred seventy-eight".