51112655 has 16 divisors (see below), whose sum is σ = 67111200. Its totient is φ = 37061760.

The previous prime is 51112643. The next prime is 51112661. The reversal of 51112655 is 55621115.

It is not a de Polignac number, because 51112655 - 2⁴ = 51112639 is a prime.

It is a super-2 number, since 2×51112655² = 5225007002298050, 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 15 ways as a sum of consecutive naturals, for example, 20201 + ... + 22589.

It is an arithmetic number, because the mean of its divisors is an integer number (4194450).

Almost surely, 2^51112655 is an apocalyptic number.

51112655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51112655 is a deficient number, since it is larger than the sum of its proper divisors (15998545).

51112655 is a wasteful number, since it uses less digits than its factorization.

51112655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794.

The product of its digits is 1500, while the sum is 26.

The square root of 51112655 is about 7149.3115053129. The cubic root of 51112655 is about 371.1158304712.

The spelling of 51112655 in words is "fifty-one million, one hundred twelve thousand, six hundred fifty-five".