51486846 has 64 divisors (see below), whose sum is σ = 118609920. Its totient is φ = 14791680.

The previous prime is 51486817. The next prime is 51486859. The reversal of 51486846 is 64868415.

It is a super-2 number, since 2×51486846² = 5301790622055432, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51486798 and 51486807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59650 + ... + 60506.

It is an arithmetic number, because the mean of its divisors is an integer number (1853280).

Almost surely, 2^51486846 is an apocalyptic number.

51486846 is an abundant number, since it is smaller than the sum of its proper divisors (67123074).

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

51486846 is a wasteful number, since it uses less digits than its factorization.

51486846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929.

The product of its digits is 184320, while the sum is 42.

The square root of 51486846 is about 7175.4335060678. The cubic root of 51486846 is about 372.0192642353.

The spelling of 51486846 in words is "fifty-one million, four hundred eighty-six thousand, eight hundred forty-six".