51677292 has 12 divisors (see below), whose sum is σ = 120580376. Its totient is φ = 17225760.

The previous prime is 51677287. The next prime is 51677347. The reversal of 51677292 is 29277615.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 51677292.

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, 2153209 + ... + 2153232.

Almost surely, 2^51677292 is an apocalyptic number.

It is an amenable number.

51677292 is an abundant number, since it is smaller than the sum of its proper divisors (68903084).

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

51677292 is a wasteful number, since it uses less digits than its factorization.

51677292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4306448 (or 4306446 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 51677292 is about 7188.6919533389. The cubic root of 51677292 is about 372.4773903368.

The spelling of 51677292 in words is "fifty-one million, six hundred seventy-seven thousand, two hundred ninety-two".