51122276 has 12 divisors (see below), whose sum is σ = 91367808. Its totient is φ = 25017192.

The previous prime is 51122237. The next prime is 51122311. The reversal of 51122276 is 67222115.

It is a super-2 number, since 2×51122276² = 5226974206840352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135776 + ... + 136151.

It is an arithmetic number, because the mean of its divisors is an integer number (7613984).

Almost surely, 2^51122276 is an apocalyptic number.

It is an amenable number.

51122276 is a deficient number, since it is larger than the sum of its proper divisors (40245532).

51122276 is a wasteful number, since it uses less digits than its factorization.

51122276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271978 (or 271976 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 51122276 is about 7149.9843356472. The cubic root of 51122276 is about 371.1391142118.

The spelling of 51122276 in words is "fifty-one million, one hundred twenty-two thousand, two hundred seventy-six".