51888895 has 8 divisors (see below), whose sum is σ = 62380656. Its totient is φ = 41435136.

The previous prime is 51888877. The next prime is 51888919. The reversal of 51888895 is 59888815.

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 51888895 - 2⁹ = 51888383 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 6402 + ... + 12031.

It is an arithmetic number, because the mean of its divisors is an integer number (7797582).

Almost surely, 2^51888895 is an apocalyptic number.

51888895 is a deficient number, since it is larger than the sum of its proper divisors (10491761).

51888895 is a wasteful number, since it uses less digits than its factorization.

51888895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19001.

The product of its digits is 921600, while the sum is 52.

The square root of 51888895 is about 7203.3946858408. The cubic root of 51888895 is about 372.9850923755.

The spelling of 51888895 in words is "fifty-one million, eight hundred eighty-eight thousand, eight hundred ninety-five".