51902803 has 2 divisors, whose sum is σ = 51902804. Its totient is φ = 51902802.

The previous prime is 51902801. The next prime is 51902827. The reversal of 51902803 is 30820915.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51902803 - 2¹ = 51902801 is a prime.

Together with 51902801, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (51902801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25951401 + 25951402.

It is an arithmetic number, because the mean of its divisors is an integer number (25951402).

Almost surely, 2^51902803 is an apocalyptic number.

51902803 is a deficient number, since it is larger than the sum of its proper divisors (1).

51902803 is an equidigital number, since it uses as much as digits as its factorization.

51902803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 51902803 is about 7204.3599993337. The cubic root of 51902803 is about 373.0184136559.

The spelling of 51902803 in words is "fifty-one million, nine hundred two thousand, eight hundred three".