51045426 has 12 divisors (see below), whose sum is σ = 110598462. Its totient is φ = 17015136.

The previous prime is 51045383. The next prime is 51045497. The reversal of 51045426 is 62454015.

It can be written as a sum of positive squares in only one way, i.e., 25553025 + 25492401 = 5055^2 + 5049^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51045426.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1417911 + ... + 1417946.

Almost surely, 2^51045426 is an apocalyptic number.

51045426 is an abundant number, since it is smaller than the sum of its proper divisors (59553036).

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

51045426 is a wasteful number, since it uses less digits than its factorization.

51045426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835865 (or 2835862 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 51045426 is about 7144.6081768002. The cubic root of 51045426 is about 370.9530482597.

The spelling of 51045426 in words is "fifty-one million, forty-five thousand, four hundred twenty-six".