51560404 has 12 divisors (see below), whose sum is σ = 103120864. Its totient is φ = 22097304.

The previous prime is 51560393. The next prime is 51560419. The reversal of 51560404 is 40406515.

51560404 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920694 + ... + 920749.

Almost surely, 2^51560404 is an apocalyptic number.

It is an amenable number.

51560404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51560404 is a wasteful number, since it uses less digits than its factorization.

51560404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841454 (or 1841452 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 51560404 is about 7180.5573599826. The cubic root of 51560404 is about 372.1963448789.

Adding to 51560404 its reverse (40406515), we get a palindrome (91966919).

The spelling of 51560404 in words is "fifty-one million, five hundred sixty thousand, four hundred four".