51109275 has 48 divisors (see below), whose sum is σ = 98081024. Its totient is φ = 22999680.

The previous prime is 51109237. The next prime is 51109301. The reversal of 51109275 is 57290115.

It is not a de Polignac number, because 51109275 - 2¹⁰ = 51108251 is a prime.

It is a super-2 number, since 2×51109275² = 5224315982051250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34449 + ... + 35901.

Almost surely, 2^51109275 is an apocalyptic number.

51109275 is a deficient number, since it is larger than the sum of its proper divisors (46971749).

51109275 is a wasteful number, since it uses less digits than its factorization.

51109275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 30.

The square root of 51109275 is about 7149.0751150061. The cubic root of 51109275 is about 371.1076498542.

The spelling of 51109275 in words is "fifty-one million, one hundred nine thousand, two hundred seventy-five".