51672556 has 12 divisors (see below), whose sum is σ = 97382992. Its totient is φ = 23848848.

The previous prime is 51672529. The next prime is 51672581. The reversal of 51672556 is 65527615.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496800 + ... + 496903.

Almost surely, 2^51672556 is an apocalyptic number.

It is an amenable number.

51672556 is a deficient number, since it is larger than the sum of its proper divisors (45710436).

51672556 is a wasteful number, since it uses less digits than its factorization.

51672556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993720 (or 993718 counting only the distinct ones).

The product of its digits is 63000, while the sum is 37.

The square root of 51672556 is about 7188.3625395496. The cubic root of 51672556 is about 372.4660113426.

The spelling of 51672556 in words is "fifty-one million, six hundred seventy-two thousand, five hundred fifty-six".