51143306 has 16 divisors (see below), whose sum is σ = 80483328. Its totient is φ = 24327600.

The previous prime is 51143291. The next prime is 51143353. The reversal of 51143306 is 60334115.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5876 + ... + 11696.

It is an arithmetic number, because the mean of its divisors is an integer number (5030208).

Almost surely, 2^51143306 is an apocalyptic number.

51143306 is a deficient number, since it is larger than the sum of its proper divisors (29340022).

51143306 is a wasteful number, since it uses less digits than its factorization.

51143306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6037.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 51143306 is about 7151.4548170285. The cubic root of 51143306 is about 371.1899986545.

The spelling of 51143306 in words is "fifty-one million, one hundred forty-three thousand, three hundred six".