56779546 has 8 divisors (see below), whose sum is σ = 86336244. Its totient is φ = 28000800.

The previous prime is 56779529. The next prime is 56779561. The reversal of 56779546 is 64597765.

It can be written as a sum of positive squares in 2 ways, for example, as 55666521 + 1113025 = 7461^2 + 1055^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×56779546² = 6447833687932232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56779546.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194305 + ... + 194596.

Almost surely, 2^56779546 is an apocalyptic number.

56779546 is a deficient number, since it is larger than the sum of its proper divisors (29556698).

56779546 is a wasteful number, since it uses less digits than its factorization.

56779546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388976.

The product of its digits is 1587600, while the sum is 49.

The square root of 56779546 is about 7535.2203683768. The cubic root of 56779546 is about 384.3533215438.

The spelling of 56779546 in words is "fifty-six million, seven hundred seventy-nine thousand, five hundred forty-six".