51113708 has 6 divisors (see below), whose sum is σ = 89448996. Its totient is φ = 25556852.

The previous prime is 51113707. The next prime is 51113717. The reversal of 51113708 is 80731115.

It is a super-2 number, since 2×51113708² = 5225222291018528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51113707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6389210 + ... + 6389217.

It is an arithmetic number, because the mean of its divisors is an integer number (14908166).

Almost surely, 2^51113708 is an apocalyptic number.

It is an amenable number.

51113708 is a deficient number, since it is larger than the sum of its proper divisors (38335288).

51113708 is a wasteful number, since it uses less digits than its factorization.

51113708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12778431 (or 12778429 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 51113708 is about 7149.3851483886. The cubic root of 51113708 is about 371.1183789743.

The spelling of 51113708 in words is "fifty-one million, one hundred thirteen thousand, seven hundred eight".