51254933 has 4 divisors (see below), whose sum is σ = 52020000. Its totient is φ = 50489868.

The previous prime is 51254927. The next prime is 51254939. The reversal of 51254933 is 33945215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (51254927) and next prime (51254939).

It is a cyclic number.

It is not a de Polignac number, because 51254933 - 2²⁰ = 50206357 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 51254933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51254939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382433 + ... + 382566.

It is an arithmetic number, because the mean of its divisors is an integer number (13005000).

Almost surely, 2^51254933 is an apocalyptic number.

It is an amenable number.

51254933 is a deficient number, since it is larger than the sum of its proper divisors (765067).

51254933 is an equidigital number, since it uses as much as digits as its factorization.

51254933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765066.

The product of its digits is 16200, while the sum is 32.

The square root of 51254933 is about 7159.2550590128. The cubic root of 51254933 is about 371.4598594311.

The spelling of 51254933 in words is "fifty-one million, two hundred fifty-four thousand, nine hundred thirty-three".