51032146 has 16 divisors (see below), whose sum is σ = 83785248. Its totient is φ = 23119200.

The previous prime is 51032143. The next prime is 51032153. The reversal of 51032146 is 64123015.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (51032143) 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, 3181 + ... + 10591.

It is an arithmetic number, because the mean of its divisors is an integer number (5236578).

Almost surely, 2^51032146 is an apocalyptic number.

51032146 is a deficient number, since it is larger than the sum of its proper divisors (32753102).

51032146 is a wasteful number, since it uses less digits than its factorization.

51032146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7737.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 51032146 is about 7143.6787441766. The cubic root of 51032146 is about 370.9208763680.

The spelling of 51032146 in words is "fifty-one million, thirty-two thousand, one hundred forty-six".