53864055 has 32 divisors (see below), whose sum is σ = 109440000. Its totient is φ = 24623136.

The previous prime is 53864039. The next prime is 53864077. The reversal of 53864055 is 55046835.

53864055 is a `hidden beast` number, since 5 + 3 + 8 + 640 + 5 + 5 = 666.

It is not a de Polignac number, because 53864055 - 2⁴ = 53864039 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 27555 + ... + 29444.

It is an arithmetic number, because the mean of its divisors is an integer number (3420000).

Almost surely, 2^53864055 is an apocalyptic number.

53864055 is an abundant number, since it is smaller than the sum of its proper divisors (55575945).

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

53864055 is a wasteful number, since it uses less digits than its factorization.

53864055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57020 (or 57014 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 53864055 is about 7339.2135137220. The cubic root of 53864055 is about 377.6588633001.

The spelling of 53864055 in words is "fifty-three million, eight hundred sixty-four thousand, fifty-five".