56896849 has 9 divisors (see below), whose sum is σ = 60200667. Its totient is φ = 53766504.

The previous prime is 56896823. The next prime is 56896883. The reversal of 56896849 is 94869865.

The square root of 56896849 is 7543.

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

It can be written as a sum of positive squares in only one way, i.e., 38130625 + 18766224 = 6175^2 + 4332^2 .

It is not a de Polignac number, because 56896849 - 2⁵ = 56896817 is a prime.

It is a super-2 number, since 2×56896849² = 6474502852257602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56896849.

It is not an unprimeable number, because it can be changed into a prime (56096849) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 143119 + ... + 143515.

It is an arithmetic number, because the mean of its divisors is an integer number (6688963).

Almost surely, 2^56896849 is an apocalyptic number.

56896849 is the 7543-rd square number.

56896849 is the 3772-nd centered octagonal number.

It is an amenable number.

56896849 is a deficient number, since it is larger than the sum of its proper divisors (3303818).

56896849 is an frugal number, since it uses more digits than its factorization.

56896849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 416 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 55.

The cubic root of 56896849 is about 384.6178228081.

The spelling of 56896849 in words is "fifty-six million, eight hundred ninety-six thousand, eight hundred forty-nine".