51554325 has 24 divisors (see below), whose sum is σ = 85514368. Its totient is φ = 27406080.

The previous prime is 51554323. The next prime is 51554341. The reversal of 51554325 is 52345515.

It is a happy number.

It is not a de Polignac number, because 51554325 - 2¹ = 51554323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51554292 and 51554301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51554323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26589 + ... + 28461.

Almost surely, 2^51554325 is an apocalyptic number.

It is an amenable number.

51554325 is a deficient number, since it is larger than the sum of its proper divisors (33960043).

51554325 is a wasteful number, since it uses less digits than its factorization.

51554325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253 (or 2248 counting only the distinct ones).

The product of its digits is 15000, while the sum is 30.

The square root of 51554325 is about 7180.1340516734. The cubic root of 51554325 is about 372.1817169194.

The spelling of 51554325 in words is "fifty-one million, five hundred fifty-four thousand, three hundred twenty-five".