579780056 has 8 divisors (see below), whose sum is σ = 1087087620. Its totient is φ = 289890024.

The previous prime is 579780049. The next prime is 579780059. The reversal of 579780056 is 650087975.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×579780056² = 672289826670726272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (579780059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36236246 + ... + 36236261.

Almost surely, 2^579780056 is an apocalyptic number.

It is an amenable number.

579780056 is a deficient number, since it is larger than the sum of its proper divisors (507307564).

579780056 is a wasteful number, since it uses less digits than its factorization.

579780056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72472513 (or 72472509 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 47.

The square root of 579780056 is about 24078.6223858426. The cubic root of 579780056 is about 833.8496624546.

The spelling of 579780056 in words is "five hundred seventy-nine million, seven hundred eighty thousand, fifty-six".