51865276 has 36 divisors (see below), whose sum is σ = 96124672. Its totient is φ = 24482304.

The previous prime is 51865273. The next prime is 51865279. The reversal of 51865276 is 67256815.

It is an interprime number because it is at equal distance from previous prime (51865273) and next prime (51865279).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51865273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268636 + ... + 268828.

Almost surely, 2^51865276 is an apocalyptic number.

51865276 is the 3850-th centered heptagonal number.

It is an amenable number.

51865276 is a deficient number, since it is larger than the sum of its proper divisors (44259396).

51865276 is a wasteful number, since it uses less digits than its factorization.

51865276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 345 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 51865276 is about 7201.7550638716. The cubic root of 51865276 is about 372.9284914921.

The spelling of 51865276 in words is "fifty-one million, eight hundred sixty-five thousand, two hundred seventy-six".