51873013 has 8 divisors (see below), whose sum is σ = 53738496. Its totient is φ = 50019600.

The previous prime is 51872999. The next prime is 51873043. The reversal of 51873013 is 31037815.

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

It is a cyclic number.

It is not a de Polignac number, because 51873013 - 2⁹ = 51872501 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 (51873043) 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, 6228 + ... + 11938.

It is an arithmetic number, because the mean of its divisors is an integer number (6717312).

Almost surely, 2^51873013 is an apocalyptic number.

It is an amenable number.

51873013 is a deficient number, since it is larger than the sum of its proper divisors (1865483).

51873013 is a wasteful number, since it uses less digits than its factorization.

51873013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6035.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 51873013 is about 7202.2922045693. The cubic root of 51873013 is about 372.9470344332.

The spelling of 51873013 in words is "fifty-one million, eight hundred seventy-three thousand, thirteen".