51073302 has 32 divisors (see below), whose sum is σ = 119227392. Its totient is φ = 14281344.

The previous prime is 51073289. The next prime is 51073307. The reversal of 51073302 is 20337015.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51073307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10963 + ... + 14910.

It is an arithmetic number, because the mean of its divisors is an integer number (3725856).

Almost surely, 2^51073302 is an apocalyptic number.

51073302 is an abundant number, since it is smaller than the sum of its proper divisors (68154090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51073302 is a wasteful number, since it uses less digits than its factorization.

51073302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25932.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 51073302 is about 7146.5587522947. The cubic root of 51073302 is about 371.0205620162.

The spelling of 51073302 in words is "fifty-one million, seventy-three thousand, three hundred two".