51676587 has 6 divisors (see below), whose sum is σ = 74643972. Its totient is φ = 34451052.

The previous prime is 51676571. The next prime is 51676589. The reversal of 51676587 is 78567615.

51676587 is a `hidden beast` number, since 5 + 1 + 67 + 6 + 587 = 666.

It is not a de Polignac number, because 51676587 - 2⁴ = 51676571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51676589) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2870913 + ... + 2870930.

It is an arithmetic number, because the mean of its divisors is an integer number (12440662).

Almost surely, 2^51676587 is an apocalyptic number.

51676587 is a deficient number, since it is larger than the sum of its proper divisors (22967385).

51676587 is a wasteful number, since it uses less digits than its factorization.

51676587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741849 (or 5741846 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 51676587 is about 7188.6429178253. The cubic root of 51676587 is about 372.4756965060.

The spelling of 51676587 in words is "fifty-one million, six hundred seventy-six thousand, five hundred eighty-seven".