53812855 has 4 divisors (see below), whose sum is σ = 64575432. Its totient is φ = 43050280.

The previous prime is 53812831. The next prime is 53812867. The reversal of 53812855 is 55821835.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53812855 - 2⁷ = 53812727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5381281 + ... + 5381290.

It is an arithmetic number, because the mean of its divisors is an integer number (16143858).

Almost surely, 2^53812855 is an apocalyptic number.

53812855 is a deficient number, since it is larger than the sum of its proper divisors (10762577).

53812855 is a wasteful number, since it uses less digits than its factorization.

53812855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10762576.

The product of its digits is 48000, while the sum is 37.

The square root of 53812855 is about 7335.7245722560. The cubic root of 53812855 is about 377.5391652712.

The spelling of 53812855 in words is "fifty-three million, eight hundred twelve thousand, eight hundred fifty-five".