56273855 has 16 divisors (see below), whose sum is σ = 75661344. Its totient is φ = 39818880.

The previous prime is 56273851. The next prime is 56273857. The reversal of 56273855 is 55837265.

It is not a de Polignac number, because 56273855 - 2² = 56273851 is a prime.

It is a super-2 number, since 2×56273855² = 6333493513122050, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56273851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11792 + ... + 15861.

It is an arithmetic number, because the mean of its divisors is an integer number (4728834).

Almost surely, 2^56273855 is an apocalyptic number.

56273855 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56273855 is a deficient number, since it is larger than the sum of its proper divisors (19387489).

56273855 is a wasteful number, since it uses less digits than its factorization.

56273855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27706.

The product of its digits is 252000, while the sum is 41.

The square root of 56273855 is about 7501.5901647584. The cubic root of 56273855 is about 383.2088724278.

The spelling of 56273855 in words is "fifty-six million, two hundred seventy-three thousand, eight hundred fifty-five".