51022293 has 8 divisors (see below), whose sum is σ = 77748288. Its totient is φ = 29155584.

The previous prime is 51022289. The next prime is 51022319. The reversal of 51022293 is 39222015.

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

It is not a de Polignac number, because 51022293 - 2² = 51022289 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51022243) 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, 1214796 + ... + 1214837.

It is an arithmetic number, because the mean of its divisors is an integer number (9718536).

Almost surely, 2^51022293 is an apocalyptic number.

It is an amenable number.

51022293 is a deficient number, since it is larger than the sum of its proper divisors (26725995).

51022293 is a wasteful number, since it uses less digits than its factorization.

51022293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429643.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 51022293 is about 7142.9890802100. The cubic root of 51022293 is about 370.8970030586.

It can be divided in two parts, 51022 and 293, that added together give a palindrome (51315).

The spelling of 51022293 in words is "fifty-one million, twenty-two thousand, two hundred ninety-three".