51093285 has 8 divisors (see below), whose sum is σ = 81749280. Its totient is φ = 27249744.

The previous prime is 51093283. The next prime is 51093319. The reversal of 51093285 is 58239015.

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

It is not a de Polignac number, because 51093285 - 2¹ = 51093283 is a prime.

It is a super-2 number, since 2×51093285² = 5221047544182450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51093283) 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, 1703095 + ... + 1703124.

It is an arithmetic number, because the mean of its divisors is an integer number (10218660).

Almost surely, 2^51093285 is an apocalyptic number.

It is an amenable number.

51093285 is a deficient number, since it is larger than the sum of its proper divisors (30655995).

51093285 is a wasteful number, since it uses less digits than its factorization.

51093285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406227.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 51093285 is about 7147.9567010440. The cubic root of 51093285 is about 371.0689443534.

The spelling of 51093285 in words is "fifty-one million, ninety-three thousand, two hundred eighty-five".