51118148 has 12 divisors (see below), whose sum is σ = 89619600. Its totient is φ = 25512552.

The previous prime is 51118147. The next prime is 51118153. The reversal of 51118148 is 84181115.

It is a super-2 number, since 2×51118148² = 5226130109899808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51118148.

It is not an unprimeable number, because it can be changed into a prime (51118147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9098 + ... + 13601.

It is an arithmetic number, because the mean of its divisors is an integer number (7468300).

Almost surely, 2^51118148 is an apocalyptic number.

It is an amenable number.

51118148 is a deficient number, since it is larger than the sum of its proper divisors (38501452).

51118148 is a wasteful number, since it uses less digits than its factorization.

51118148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23266 (or 23264 counting only the distinct ones).

The product of its digits is 1280, while the sum is 29.

The square root of 51118148 is about 7149.6956578585. The cubic root of 51118148 is about 371.1291244147.

The spelling of 51118148 in words is "fifty-one million, one hundred eighteen thousand, one hundred forty-eight".