51610426 has 12 divisors (see below), whose sum is σ = 90055098. Its totient is φ = 22118712.

The previous prime is 51610421. The next prime is 51610501. The reversal of 51610426 is 62401615.

It can be written as a sum of positive squares in only one way, i.e., 43573201 + 8037225 = 6601^2 + 2835^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51610426.

It is not an unprimeable number, because it can be changed into a prime (51610421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 263221 + ... + 263416.

Almost surely, 2^51610426 is an apocalyptic number.

51610426 is a deficient number, since it is larger than the sum of its proper divisors (38444672).

51610426 is a wasteful number, since it uses less digits than its factorization.

51610426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526653 (or 526646 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 51610426 is about 7184.0396713827. The cubic root of 51610426 is about 372.3166696923.

The spelling of 51610426 in words is "fifty-one million, six hundred ten thousand, four hundred twenty-six".