56261755 has 32 divisors (see below), whose sum is σ = 82114560. Its totient is φ = 36472320.

The previous prime is 56261731. The next prime is 56261761. The reversal of 56261755 is 55716265.

It is not a de Polignac number, because 56261755 - 2⁷ = 56261627 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 16182 + ... + 19348.

It is an arithmetic number, because the mean of its divisors is an integer number (2566080).

Almost surely, 2^56261755 is an apocalyptic number.

56261755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56261755 is a deficient number, since it is larger than the sum of its proper divisors (25852805).

56261755 is a wasteful number, since it uses less digits than its factorization.

56261755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219.

The product of its digits is 63000, while the sum is 37.

The square root of 56261755 is about 7500.7836257287. The cubic root of 56261755 is about 383.1814046115.

Subtracting from 56261755 its reverse (55716265), we obtain a triangular number (545490 = T₁₀₄₄).

It can be divided in two parts, 5626 and 1755, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 56261755 in words is "fifty-six million, two hundred sixty-one thousand, seven hundred fifty-five".