51677328 has 20 divisors (see below), whose sum is σ = 133499888. Its totient is φ = 17225760.

The previous prime is 51677287. The next prime is 51677347. The reversal of 51677328 is 82377615.

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, 538258 + ... + 538353.

Almost surely, 2^51677328 is an apocalyptic number.

It is an amenable number.

51677328 is an abundant number, since it is smaller than the sum of its proper divisors (81822560).

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

51677328 is a wasteful number, since it uses less digits than its factorization.

51677328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076622 (or 1076616 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 51677328 is about 7188.6944572711. The cubic root of 51677328 is about 372.4774768298.

The spelling of 51677328 in words is "fifty-one million, six hundred seventy-seven thousand, three hundred twenty-eight".