56523855 has 8 divisors (see below), whose sum is σ = 90438192. Its totient is φ = 30146048.

The previous prime is 56523847. The next prime is 56523869. The reversal of 56523855 is 55832565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56523855 - 2³ = 56523847 is a prime.

It is a super-2 number, since 2×56523855² = 6389892368122050, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1884114 + ... + 1884143.

It is an arithmetic number, because the mean of its divisors is an integer number (11304774).

Almost surely, 2^56523855 is an apocalyptic number.

56523855 is a deficient number, since it is larger than the sum of its proper divisors (33914337).

56523855 is a wasteful number, since it uses less digits than its factorization.

56523855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768265.

The product of its digits is 180000, while the sum is 39.

The square root of 56523855 is about 7518.2348327250. The cubic root of 56523855 is about 383.7755103343.

The spelling of 56523855 in words is "fifty-six million, five hundred twenty-three thousand, eight hundred fifty-five".