51755630 has 8 divisors (see below), whose sum is σ = 93160152. Its totient is φ = 20702248.

The previous prime is 51755623. The next prime is 51755657. The reversal of 51755630 is 3655715.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2587772 + ... + 2587791.

It is an arithmetic number, because the mean of its divisors is an integer number (11645019).

Almost surely, 2^51755630 is an apocalyptic number.

51755630 is a deficient number, since it is larger than the sum of its proper divisors (41404522).

51755630 is a wasteful number, since it uses less digits than its factorization.

51755630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175570.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 51755630 is about 7194.1385863771. The cubic root of 51755630 is about 372.6655090816.

The spelling of 51755630 in words is "fifty-one million, seven hundred fifty-five thousand, six hundred thirty".