51902799 has 16 divisors (see below), whose sum is σ = 74663904. Its totient is φ = 31881600.

The previous prime is 51902797. The next prime is 51902801. The reversal of 51902799 is 99720915.

It is an interprime number because it is at equal distance from previous prime (51902797) and next prime (51902801).

It is not a de Polignac number, because 51902799 - 2¹ = 51902797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51902799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51902791) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 31209 + ... + 32829.

It is an arithmetic number, because the mean of its divisors is an integer number (4666494).

Almost surely, 2^51902799 is an apocalyptic number.

51902799 is a deficient number, since it is larger than the sum of its proper divisors (22761105).

51902799 is a wasteful number, since it uses less digits than its factorization.

51902799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458.

The product of its (nonzero) digits is 51030, while the sum is 42.

The square root of 51902799 is about 7204.3597217241. The cubic root of 51902799 is about 373.0184040734.

The spelling of 51902799 in words is "fifty-one million, nine hundred two thousand, seven hundred ninety-nine".