56261853 has 12 divisors (see below), whose sum is σ = 81404128. Its totient is φ = 37444680.

The previous prime is 56261851. The next prime is 56261861. The reversal of 56261853 is 35816265.

It is not a de Polignac number, because 56261853 - 2¹ = 56261851 is a prime.

It is a super-2 number, since 2×56261853² = 6330792205987218, 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 (56261851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 726 + ... + 10632.

Almost surely, 2^56261853 is an apocalyptic number.

It is an amenable number.

56261853 is a deficient number, since it is larger than the sum of its proper divisors (25142275).

56261853 is a wasteful number, since it uses less digits than its factorization.

56261853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10544 (or 10541 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 56261853 is about 7500.7901583766. The cubic root of 56261853 is about 383.1816270939.

The spelling of 56261853 in words is "fifty-six million, two hundred sixty-one thousand, eight hundred fifty-three".