51142366 has 8 divisors (see below), whose sum is σ = 83687544. Its totient is φ = 23246520.

The previous prime is 51142361. The next prime is 51142367. The reversal of 51142366 is 66324115.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51142361) 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, 1162305 + ... + 1162348.

It is an arithmetic number, because the mean of its divisors is an integer number (10460943).

Almost surely, 2^51142366 is an apocalyptic number.

51142366 is a deficient number, since it is larger than the sum of its proper divisors (32545178).

51142366 is a wasteful number, since it uses less digits than its factorization.

51142366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324666.

The product of its digits is 4320, while the sum is 28.

The square root of 51142366 is about 7151.3890958331. The cubic root of 51142366 is about 371.1877245170.

The spelling of 51142366 in words is "fifty-one million, one hundred forty-two thousand, three hundred sixty-six".