51554525 has 12 divisors (see below), whose sum is σ = 69739584. Its totient is φ = 37494000.

The previous prime is 51554521. The next prime is 51554533. The reversal of 51554525 is 52545515.

51554525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51554525 - 2² = 51554521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51554491 and 51554500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51554521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93461 + ... + 94010.

It is an arithmetic number, because the mean of its divisors is an integer number (5811632).

Almost surely, 2^51554525 is an apocalyptic number.

51554525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51554525 is a deficient number, since it is larger than the sum of its proper divisors (18185059).

51554525 is a wasteful number, since it uses less digits than its factorization.

51554525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187492 (or 187487 counting only the distinct ones).

The product of its digits is 25000, while the sum is 32.

The square root of 51554525 is about 7180.1479789765. The cubic root of 51554525 is about 372.1821981997.

The spelling of 51554525 in words is "fifty-one million, five hundred fifty-four thousand, five hundred twenty-five".