51602146 has 16 divisors (see below), whose sum is σ = 79646976. Its totient is φ = 25061536.

The previous prime is 51602143. The next prime is 51602147. The reversal of 51602146 is 64120615.

It is a self number, because there is not a number n which added to its sum of digits gives 51602146.

It is not an unprimeable number, because it can be changed into a prime (51602143) 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, 10875 + ... + 14881.

It is an arithmetic number, because the mean of its divisors is an integer number (4977936).

Almost surely, 2^51602146 is an apocalyptic number.

51602146 is a deficient number, since it is larger than the sum of its proper divisors (28044830).

51602146 is a wasteful number, since it uses less digits than its factorization.

51602146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4193.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 51602146 is about 7183.4633708261. The cubic root of 51602146 is about 372.2967580379.

The spelling of 51602146 in words is "fifty-one million, six hundred two thousand, one hundred forty-six".