51902103 has 12 divisors (see below), whose sum is σ = 76066424. Its totient is φ = 31455600.

The previous prime is 51902101. The next prime is 51902107. The reversal of 51902103 is 30120915.

It is not a de Polignac number, because 51902103 - 2¹ = 51902101 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 51902103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51902101) 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 11 ways as a sum of consecutive naturals, for example, 71128 + ... + 71853.

Almost surely, 2^51902103 is an apocalyptic number.

51902103 is a deficient number, since it is larger than the sum of its proper divisors (24164321).

51902103 is a wasteful number, since it uses less digits than its factorization.

51902103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143006 (or 142995 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 51902103 is about 7204.3114174777. The cubic root of 51902103 is about 373.0167367133.

The spelling of 51902103 in words is "fifty-one million, nine hundred two thousand, one hundred three".