51373803 has 24 divisors (see below), whose sum is σ = 74945088. Its totient is φ = 31286112.

The previous prime is 51373799. The next prime is 51373807. The reversal of 51373803 is 30837315.

It is an interprime number because it is at equal distance from previous prime (51373799) and next prime (51373807).

It is not a de Polignac number, because 51373803 - 2² = 51373799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51373807) 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 23 ways as a sum of consecutive naturals, for example, 53776 + ... + 54722.

It is an arithmetic number, because the mean of its divisors is an integer number (3122712).

Almost surely, 2^51373803 is an apocalyptic number.

51373803 is a deficient number, since it is larger than the sum of its proper divisors (23571285).

51373803 is a wasteful number, since it uses less digits than its factorization.

51373803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 51373803 is about 7167.5520925906. The cubic root of 51373803 is about 371.7467998929.

The spelling of 51373803 in words is "fifty-one million, three hundred seventy-three thousand, eight hundred three".