51112885 has 8 divisors (see below), whose sum is σ = 61470720. Its totient is φ = 40800144.

The previous prime is 51112883. The next prime is 51112949. The reversal of 51112885 is 58821115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51112885 - 2¹ = 51112883 is a prime.

It is a super-2 number, since 2×51112885² = 5225054026046450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51112883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8725 + ... + 13354.

It is an arithmetic number, because the mean of its divisors is an integer number (7683840).

Almost surely, 2^51112885 is an apocalyptic number.

It is an amenable number.

51112885 is a deficient number, since it is larger than the sum of its proper divisors (10357835).

51112885 is a wasteful number, since it uses less digits than its factorization.

51112885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22547.

The product of its digits is 3200, while the sum is 31.

The square root of 51112885 is about 7149.3275907598. The cubic root of 51112885 is about 371.1163871273.

The spelling of 51112885 in words is "fifty-one million, one hundred twelve thousand, eight hundred eighty-five".