51885507 has 8 divisors (see below), whose sum is σ = 71050576. Its totient is φ = 33655392.

The previous prime is 51885439. The next prime is 51885511. The reversal of 51885507 is 70558815.

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

It is not a de Polignac number, because 51885507 - 2¹¹ = 51883459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51885577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233608 + ... + 233829.

It is an arithmetic number, because the mean of its divisors is an integer number (8881322).

Almost surely, 2^51885507 is an apocalyptic number.

51885507 is a deficient number, since it is larger than the sum of its proper divisors (19165069).

51885507 is a wasteful number, since it uses less digits than its factorization.

51885507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467477.

The product of its (nonzero) digits is 56000, while the sum is 39.

The square root of 51885507 is about 7203.1595151017. The cubic root of 51885507 is about 372.9769743829.

The spelling of 51885507 in words is "fifty-one million, eight hundred eighty-five thousand, five hundred seven".