51936855 has 16 divisors (see below), whose sum is σ = 84271104. Its totient is φ = 27308960.

The previous prime is 51936847. The next prime is 51936869. The reversal of 51936855 is 55863915.

It is not a de Polignac number, because 51936855 - 2³ = 51936847 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, 23319 + ... + 25448.

It is an arithmetic number, because the mean of its divisors is an integer number (5266944).

Almost surely, 2^51936855 is an apocalyptic number.

51936855 is a deficient number, since it is larger than the sum of its proper divisors (32334249).

51936855 is a wasteful number, since it uses less digits than its factorization.

51936855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48846.

The product of its digits is 162000, while the sum is 42.

The square root of 51936855 is about 7206.7229029567. The cubic root of 51936855 is about 373.0999715261.

The spelling of 51936855 in words is "fifty-one million, nine hundred thirty-six thousand, eight hundred fifty-five".