51115076 has 6 divisors (see below), whose sum is σ = 89451390. Its totient is φ = 25557536.

The previous prime is 51115049. The next prime is 51115079. The reversal of 51115076 is 67051115.

It can be written as a sum of positive squares in only one way, i.e., 42588676 + 8526400 = 6526^2 + 2920^2 .

It is a super-2 number, since 2×51115076² = 5225501988971552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51115079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6389381 + ... + 6389388.

It is an arithmetic number, because the mean of its divisors is an integer number (14908565).

Almost surely, 2^51115076 is an apocalyptic number.

It is an amenable number.

51115076 is a deficient number, since it is larger than the sum of its proper divisors (38336314).

51115076 is a wasteful number, since it uses less digits than its factorization.

51115076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12778773 (or 12778771 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 51115076 is about 7149.4808203114. The cubic root of 51115076 is about 371.1216897980.

The spelling of 51115076 in words is "fifty-one million, one hundred fifteen thousand, seventy-six".