56278547361 has 45 divisors (see below), whose sum is σ = 86211655299. Its totient is φ = 36586713744.

The previous prime is 56278547329. The next prime is 56278547383. The reversal of 56278547361 is 16374587265.

The square root of 56278547361 is 237231.

It is a perfect power (a square), and thus also a powerful number.

56278547361 is a `hidden beast` number, since 5 + 6 + 278 + 5 + 4 + 7 + 361 = 666.

It can be written as a sum of positive squares in only one way, i.e., 183467025 + 56095080336 = 13545^2 + 236844^2 .

It is not a de Polignac number, because 56278547361 - 2⁵ = 56278547329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56278547298 and 56278547307.

It is not an unprimeable number, because it can be changed into a prime (56278547461) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 91808091 + ... + 91808703.

Almost surely, 2^56278547361 is an apocalyptic number.

56278547361 is the 237231-st square number.

56278547361 is the 118616-th centered octagonal number.

It is an amenable number.

56278547361 is a deficient number, since it is larger than the sum of its proper divisors (29933107938).

56278547361 is an frugal number, since it uses more digits than its factorization.

56278547361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324 (or 659 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 54.

The spelling of 56278547361 in words is "fifty-six billion, two hundred seventy-eight million, five hundred forty-seven thousand, three hundred sixty-one".