51426492 has 24 divisors (see below), whose sum is σ = 129225936. Its totient is φ = 15823488.

The previous prime is 51426469. The next prime is 51426503. The reversal of 51426492 is 29462415.

It is a congruent number.

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, 164673 + ... + 164984.

It is an arithmetic number, because the mean of its divisors is an integer number (5384414).

Almost surely, 2^51426492 is an apocalyptic number.

51426492 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51426492 is an abundant number, since it is smaller than the sum of its proper divisors (77799444).

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

51426492 is a wasteful number, since it uses less digits than its factorization.

51426492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329677 (or 329675 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 51426492 is about 7171.2266733105. The cubic root of 51426492 is about 371.8738443765.

The spelling of 51426492 in words is "fifty-one million, four hundred twenty-six thousand, four hundred ninety-two".