51359903 has 8 divisors (see below), whose sum is σ = 58752672. Its totient is φ = 43981056.

The previous prime is 51359879. The next prime is 51359923. The reversal of 51359903 is 30995315.

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

It is not a de Polignac number, because 51359903 - 2¹² = 51355807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51359923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6251 + ... + 11907.

It is an arithmetic number, because the mean of its divisors is an integer number (7344084).

Almost surely, 2^51359903 is an apocalyptic number.

51359903 is a deficient number, since it is larger than the sum of its proper divisors (7392769).

51359903 is a wasteful number, since it uses less digits than its factorization.

51359903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6961.

The product of its (nonzero) digits is 18225, while the sum is 35.

The square root of 51359903 is about 7166.5823793493. The cubic root of 51359903 is about 371.7132695310.

The spelling of 51359903 in words is "fifty-one million, three hundred fifty-nine thousand, nine hundred three".