51426516 has 12 divisors (see below), whose sum is σ = 119995232. Its totient is φ = 17142168.

The previous prime is 51426511. The next prime is 51426533. The reversal of 51426516 is 61562415.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51426511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2142760 + ... + 2142783.

Almost surely, 2^51426516 is an apocalyptic number.

It is an amenable number.

51426516 is an abundant number, since it is smaller than the sum of its proper divisors (68568716).

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

51426516 is a wasteful number, since it uses less digits than its factorization.

51426516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4285550 (or 4285548 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 51426516 is about 7171.2283466642. The cubic root of 51426516 is about 371.8739022259.

The spelling of 51426516 in words is "fifty-one million, four hundred twenty-six thousand, five hundred sixteen".