51745002 has 32 divisors (see below), whose sum is σ = 105099072. Its totient is φ = 16982784.

The previous prime is 51744997. The next prime is 51745003. The reversal of 51745002 is 20054715.

It is not an unprimeable number, because it can be changed into a prime (51745003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153378 + ... + 153714.

It is an arithmetic number, because the mean of its divisors is an integer number (3284346).

Almost surely, 2^51745002 is an apocalyptic number.

51745002 is an abundant number, since it is smaller than the sum of its proper divisors (53354070).

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

51745002 is a wasteful number, since it uses less digits than its factorization.

51745002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 51745002 is about 7193.3998915673. The cubic root of 51745002 is about 372.6399984259.

Adding to 51745002 its reverse (20054715), we get a palindrome (71799717).

The spelling of 51745002 in words is "fifty-one million, seven hundred forty-five thousand, two".