51617682 has 16 divisors (see below), whose sum is σ = 114706080. Its totient is φ = 17205876.

The previous prime is 51617663. The next prime is 51617711. The reversal of 51617682 is 28671615.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477888 + ... + 477995.

It is an arithmetic number, because the mean of its divisors is an integer number (7169130).

Almost surely, 2^51617682 is an apocalyptic number.

51617682 is an abundant number, since it is smaller than the sum of its proper divisors (63088398).

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

51617682 is a wasteful number, since it uses less digits than its factorization.

51617682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955894 (or 955888 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 51617682 is about 7184.5446619810. The cubic root of 51617682 is about 372.3341170918.

The spelling of 51617682 in words is "fifty-one million, six hundred seventeen thousand, six hundred eighty-two".