56261844 has 24 divisors (see below), whose sum is σ = 145864320. Its totient is φ = 18753912.

The previous prime is 56261837. The next prime is 56261851. The reversal of 56261844 is 44816265.

It is an interprime number because it is at equal distance from previous prime (56261837) and next prime (56261851).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 56261799 and 56261808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260364 + ... + 260579.

It is an arithmetic number, because the mean of its divisors is an integer number (6077680).

Almost surely, 2^56261844 is an apocalyptic number.

56261844 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

56261844 is an abundant number, since it is smaller than the sum of its proper divisors (89602476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56261844 is a wasteful number, since it uses less digits than its factorization.

56261844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520956 (or 520948 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 56261844 is about 7500.7895584398. The cubic root of 56261844 is about 383.1816066619.

The spelling of 56261844 in words is "fifty-six million, two hundred sixty-one thousand, eight hundred forty-four".