51674887 has 8 divisors (see below), whose sum is σ = 57052800. Its totient is φ = 46410360.

The previous prime is 51674881. The next prime is 51674891. The reversal of 51674887 is 78847615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51674887 - 2³ = 51674879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51674881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27387 + ... + 29212.

It is an arithmetic number, because the mean of its divisors is an integer number (7131600).

Almost surely, 2^51674887 is an apocalyptic number.

51674887 is a deficient number, since it is larger than the sum of its proper divisors (5377913).

51674887 is a wasteful number, since it uses less digits than its factorization.

51674887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56693.

The product of its digits is 376320, while the sum is 46.

The square root of 51674887 is about 7188.5246747855. The cubic root of 51674887 is about 372.4716120282.

The spelling of 51674887 in words is "fifty-one million, six hundred seventy-four thousand, eight hundred eighty-seven".