51374502 has 48 divisors (see below), whose sum is σ = 119927808. Its totient is φ = 15847920.

The previous prime is 51374473. The next prime is 51374507. The reversal of 51374502 is 20547315.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51374507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10833 + ... + 14835.

It is an arithmetic number, because the mean of its divisors is an integer number (2498496).

Almost surely, 2^51374502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51374502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59963904).

51374502 is an abundant number, since it is smaller than the sum of its proper divisors (68553306).

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

51374502 is a wasteful number, since it uses less digits than its factorization.

51374502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4065 (or 4062 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 51374502 is about 7167.6008538422. The cubic root of 51374502 is about 371.7484859003.

The spelling of 51374502 in words is "fifty-one million, three hundred seventy-four thousand, five hundred two".