51902367 has 8 divisors (see below), whose sum is σ = 75494400. Its totient is φ = 31455960.

The previous prime is 51902327. The next prime is 51902387. The reversal of 51902367 is 76320915.

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

It is not a de Polignac number, because 51902367 - 2¹⁴ = 51885983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1572799 = 51902367 / (5 + 1 + 9 + 0 + 2 + 3 + 6 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51902327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786367 + ... + 786432.

It is an arithmetic number, because the mean of its divisors is an integer number (9436800).

Almost surely, 2^51902367 is an apocalyptic number.

51902367 is a deficient number, since it is larger than the sum of its proper divisors (23592033).

51902367 is a wasteful number, since it uses less digits than its factorization.

51902367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572813.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 51902367 is about 7204.3297398162. The cubic root of 51902367 is about 373.0173691620.

It can be divided in two parts, 5190 and 2367, that added together give a palindrome (7557).

The spelling of 51902367 in words is "fifty-one million, nine hundred two thousand, three hundred sixty-seven".