51126855 has 32 divisors (see below), whose sum is σ = 91143360. Its totient is φ = 24299520.

The previous prime is 51126839. The next prime is 51126869. The reversal of 51126855 is 55862115.

It is not a de Polignac number, because 51126855 - 2⁴ = 51126839 is a prime.

It is a super-2 number, since 2×51126855² = 5227910604382050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1135 + ... + 10175.

It is an arithmetic number, because the mean of its divisors is an integer number (2848230).

Almost surely, 2^51126855 is an apocalyptic number.

51126855 is a deficient number, since it is larger than the sum of its proper divisors (40016505).

51126855 is a wasteful number, since it uses less digits than its factorization.

51126855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9091.

The product of its digits is 12000, while the sum is 33.

The square root of 51126855 is about 7150.3045389690. The cubic root of 51126855 is about 371.1501948039.

The spelling of 51126855 in words is "fifty-one million, one hundred twenty-six thousand, eight hundred fifty-five".