51625838 has 32 divisors (see below), whose sum is σ = 89994240. Its totient is φ = 21951360.

The previous prime is 51625817. The next prime is 51625859. The reversal of 51625838 is 83852615.

It is an interprime number because it is at equal distance from previous prime (51625817) and next prime (51625859).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 83093 + ... + 83711.

It is an arithmetic number, because the mean of its divisors is an integer number (2812320).

Almost surely, 2^51625838 is an apocalyptic number.

51625838 is a deficient number, since it is larger than the sum of its proper divisors (38368402).

51625838 is a wasteful number, since it uses less digits than its factorization.

51625838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872.

The product of its digits is 57600, while the sum is 38.

The square root of 51625838 is about 7185.1122468616. The cubic root of 51625838 is about 372.3537266326.

The spelling of 51625838 in words is "fifty-one million, six hundred twenty-five thousand, eight hundred thirty-eight".