56255797 has 4 divisors (see below), whose sum is σ = 60583180. Its totient is φ = 51928416.

The previous prime is 56255791. The next prime is 56255809. The reversal of 56255797 is 79755265.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11553201 + 44702596 = 3399^2 + 6686^2 .

It is a cyclic number.

It is not a de Polignac number, because 56255797 - 2¹¹ = 56253749 is a prime.

It is a super-2 number, since 2×56255797² = 6329429392210418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56255791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2163672 + ... + 2163697.

It is an arithmetic number, because the mean of its divisors is an integer number (15145795).

Almost surely, 2^56255797 is an apocalyptic number.

It is an amenable number.

56255797 is a deficient number, since it is larger than the sum of its proper divisors (4327383).

56255797 is a wasteful number, since it uses less digits than its factorization.

56255797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327382.

The product of its digits is 661500, while the sum is 46.

The square root of 56255797 is about 7500.3864567101. The cubic root of 56255797 is about 383.1678781025.

The spelling of 56255797 in words is "fifty-six million, two hundred fifty-five thousand, seven hundred ninety-seven".