51426260 has 12 divisors (see below), whose sum is σ = 107995188. Its totient is φ = 20570496.

The previous prime is 51426239. The next prime is 51426269. The reversal of 51426260 is 6262415.

It can be written as a sum of positive squares in 2 ways, for example, as 9461776 + 41964484 = 3076^2 + 6478^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51426269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1285637 + ... + 1285676.

It is an arithmetic number, because the mean of its divisors is an integer number (8999599).

Almost surely, 2^51426260 is an apocalyptic number.

It is an amenable number.

51426260 is an abundant number, since it is smaller than the sum of its proper divisors (56568928).

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

51426260 is a wasteful number, since it uses less digits than its factorization.

51426260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571322 (or 2571320 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 51426260 is about 7171.2104975381. The cubic root of 51426260 is about 371.8732851650.

Adding to 51426260 its reverse (6262415), we get a palindrome (57688675).

The spelling of 51426260 in words is "fifty-one million, four hundred twenty-six thousand, two hundred sixty".