51627942 has 20 divisors (see below), whose sum is σ = 115685196. Its totient is φ = 17209260.

The previous prime is 51627937. The next prime is 51627971. The reversal of 51627942 is 24972615.

It is a junction number, because it is equal to n+sod(n) for n = 51627897 and 51627906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 159184 + ... + 159507.

Almost surely, 2^51627942 is an apocalyptic number.

51627942 is an abundant number, since it is smaller than the sum of its proper divisors (64057254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51627942 is a wasteful number, since it uses less digits than its factorization.

51627942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318705 (or 318696 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 51627942 is about 7185.2586592272. The cubic root of 51627942 is about 372.3587849628.

The spelling of 51627942 in words is "fifty-one million, six hundred twenty-seven thousand, nine hundred forty-two".