51677632 has 14 divisors (see below), whose sum is σ = 102547928. Its totient is φ = 25838784.

The previous prime is 51677629. The next prime is 51677653. The reversal of 51677632 is 23677615.

It is a junction number, because it is equal to n+sod(n) for n = 51677591 and 51677600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403668 + ... + 403795.

It is an arithmetic number, because the mean of its divisors is an integer number (7324852).

Almost surely, 2^51677632 is an apocalyptic number.

It is an amenable number.

51677632 is a deficient number, since it is larger than the sum of its proper divisors (50870296).

51677632 is an equidigital number, since it uses as much as digits as its factorization.

51677632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807475 (or 807465 counting only the distinct ones).

The product of its digits is 52920, while the sum is 37.

The square root of 51677632 is about 7188.7156015522. The cubic root of 51677632 is about 372.4782072142.

The spelling of 51677632 in words is "fifty-one million, six hundred seventy-seven thousand, six hundred thirty-two".