51612798 has 16 divisors (see below), whose sum is σ = 103306896. Its totient is φ = 17190720.

The previous prime is 51612793. The next prime is 51612823. The reversal of 51612798 is 89721615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51612793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7618 + ... + 12698.

It is an arithmetic number, because the mean of its divisors is an integer number (6456681).

Almost surely, 2^51612798 is an apocalyptic number.

51612798 is an abundant number, since it is smaller than the sum of its proper divisors (51694098).

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

51612798 is a wasteful number, since it uses less digits than its factorization.

51612798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6779.

The product of its digits is 30240, while the sum is 39.

The square root of 51612798 is about 7184.2047576611. The cubic root of 51612798 is about 372.3223734598.

The spelling of 51612798 in words is "fifty-one million, six hundred twelve thousand, seven hundred ninety-eight".