51104252 has 24 divisors (see below), whose sum is σ = 95849376. Its totient is φ = 23779008.

The previous prime is 51104239. The next prime is 51104257. The reversal of 51104252 is 25240115.

It is a super-2 number, since 2×51104252² = 5223289144959008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51104257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4103 + ... + 10910.

It is an arithmetic number, because the mean of its divisors is an integer number (3993724).

Almost surely, 2^51104252 is an apocalyptic number.

It is an amenable number.

51104252 is a deficient number, since it is larger than the sum of its proper divisors (44745124).

51104252 is a wasteful number, since it uses less digits than its factorization.

51104252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15077 (or 15075 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 51104252 is about 7148.7238021902. The cubic root of 51104252 is about 371.0954920166.

Adding to 51104252 its reverse (25240115), we get a palindrome (76344367).

The spelling of 51104252 in words is "fifty-one million, one hundred four thousand, two hundred fifty-two".