51569104 has 10 divisors (see below), whose sum is σ = 99915170. Its totient is φ = 25784544.

The previous prime is 51569093. The next prime is 51569107. The reversal of 51569104 is 40196515.

It can be written as a sum of positive squares in only one way, i.e., 39037504 + 12531600 = 6248^2 + 3540^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51569107) 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 as a sum of consecutive naturals, namely, 1611519 + ... + 1611550.

It is an arithmetic number, because the mean of its divisors is an integer number (9991517).

Almost surely, 2^51569104 is an apocalyptic number.

It is an amenable number.

51569104 is a deficient number, since it is larger than the sum of its proper divisors (48346066).

51569104 is a wasteful number, since it uses less digits than its factorization.

51569104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223077 (or 3223071 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 51569104 is about 7181.1631369855. The cubic root of 51569104 is about 372.2172777773.

The spelling of 51569104 in words is "fifty-one million, five hundred sixty-nine thousand, one hundred four".