51933493 has 8 divisors (see below), whose sum is σ = 52778880. Its totient is φ = 51094800.

The previous prime is 51933467. The next prime is 51933523. The reversal of 51933493 is 39433915.

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 51933493 - 2¹³ = 51925301 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 (51933443) 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, 15328 + ... + 18406.

It is an arithmetic number, because the mean of its divisors is an integer number (6597360).

Almost surely, 2^51933493 is an apocalyptic number.

It is an amenable number.

51933493 is a deficient number, since it is larger than the sum of its proper divisors (845387).

51933493 is a wasteful number, since it uses less digits than its factorization.

51933493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347.

The product of its digits is 43740, while the sum is 37.

The square root of 51933493 is about 7206.4896447577. The cubic root of 51933493 is about 373.0919207937.

The spelling of 51933493 in words is "fifty-one million, nine hundred thirty-three thousand, four hundred ninety-three".