51902842 has 16 divisors (see below), whose sum is σ = 79747200. Its totient is φ = 25328160.

The previous prime is 51902827. The next prime is 51902867. The reversal of 51902842 is 24820915.

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, 12217 + ... + 15907.

It is an arithmetic number, because the mean of its divisors is an integer number (4984200).

Almost surely, 2^51902842 is an apocalyptic number.

51902842 is a deficient number, since it is larger than the sum of its proper divisors (27844358).

51902842 is a wasteful number, since it uses less digits than its factorization.

51902842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3861.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 51902842 is about 7204.3627060275. The cubic root of 51902842 is about 373.0185070851.

The spelling of 51902842 in words is "fifty-one million, nine hundred two thousand, eight hundred forty-two".