51625885 has 8 divisors (see below), whose sum is σ = 63001440. Its totient is φ = 40600464.

The previous prime is 51625883. The next prime is 51625913. The reversal of 51625885 is 58852615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51625885 - 2¹ = 51625883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51625883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87207 + ... + 87796.

It is an arithmetic number, because the mean of its divisors is an integer number (7875180).

Almost surely, 2^51625885 is an apocalyptic number.

It is an amenable number.

51625885 is a deficient number, since it is larger than the sum of its proper divisors (11375555).

51625885 is a wasteful number, since it uses less digits than its factorization.

51625885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175067.

The product of its digits is 96000, while the sum is 40.

The square root of 51625885 is about 7185.1155175126. The cubic root of 51625885 is about 372.3538396292.

The spelling of 51625885 in words is "fifty-one million, six hundred twenty-five thousand, eight hundred eighty-five".