51104025 has 72 divisors (see below), whose sum is σ = 106314624. Its totient is φ = 22982400.

The previous prime is 51103979. The next prime is 51104033. The reversal of 51104025 is 52040115.

It is not a de Polignac number, because 51104025 - 2⁶ = 51103961 is a prime.

It is a super-2 number, since 2×51104025² = 5223242742401250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51103989 and 51104007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 111597 + ... + 112053.

It is an arithmetic number, because the mean of its divisors is an integer number (1476592).

Almost surely, 2^51104025 is an apocalyptic number.

It is an amenable number.

51104025 is an abundant number, since it is smaller than the sum of its proper divisors (55210599).

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

51104025 is a wasteful number, since it uses less digits than its factorization.

51104025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 51104025 is about 7148.7079252128. The cubic root of 51104025 is about 371.0949425594.

The spelling of 51104025 in words is "fifty-one million, one hundred four thousand, twenty-five".