51885337 has 4 divisors (see below), whose sum is σ = 59297536. Its totient is φ = 44473140.

The previous prime is 51885313. The next prime is 51885373. The reversal of 51885337 is 73358815.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51885337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51885337.

It is not an unprimeable number, because it can be changed into a prime (51885737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3706089 + ... + 3706102.

It is an arithmetic number, because the mean of its divisors is an integer number (14824384).

Almost surely, 2^51885337 is an apocalyptic number.

It is an amenable number.

51885337 is a deficient number, since it is larger than the sum of its proper divisors (7412199).

51885337 is an equidigital number, since it uses as much as digits as its factorization.

51885337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7412198.

The product of its digits is 100800, while the sum is 40.

The square root of 51885337 is about 7203.1477147147. The cubic root of 51885337 is about 372.9765670363.

The spelling of 51885337 in words is "fifty-one million, eight hundred eighty-five thousand, three hundred thirty-seven".