51892002 has 80 divisors (see below), whose sum is σ = 127892160. Its totient is φ = 15653088.

The previous prime is 51891971. The next prime is 51892003. The reversal of 51892002 is 20029815.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51892003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 70428 + ... + 71160.

It is an arithmetic number, because the mean of its divisors is an integer number (1598652).

Almost surely, 2^51892002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51892002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63946080).

51892002 is an abundant number, since it is smaller than the sum of its proper divisors (76000158).

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

51892002 is a wasteful number, since it uses less digits than its factorization.

51892002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 51892002 is about 7203.6103448202. The cubic root of 51892002 is about 372.9925367529.

The spelling of 51892002 in words is "fifty-one million, eight hundred ninety-two thousand, two".