53772855 has 16 divisors (see below), whose sum is σ = 86292864. Its totient is φ = 28593440.

The previous prime is 53772809. The next prime is 53772863. The reversal of 53772855 is 55827735.

It is not a de Polignac number, because 53772855 - 2⁶ = 53772791 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40 + ... + 10370.

It is an arithmetic number, because the mean of its divisors is an integer number (5393304).

Almost surely, 2^53772855 is an apocalyptic number.

53772855 is a deficient number, since it is larger than the sum of its proper divisors (32520009).

53772855 is a wasteful number, since it uses less digits than its factorization.

53772855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10686.

The product of its digits is 294000, while the sum is 42.

The square root of 53772855 is about 7332.9976817124. The cubic root of 53772855 is about 377.4455983474.

The spelling of 53772855 in words is "fifty-three million, seven hundred seventy-two thousand, eight hundred fifty-five".