51229002 has 32 divisors (see below), whose sum is σ = 112777920. Its totient is φ = 15384320.

The previous prime is 51228977. The next prime is 51229021. The reversal of 51229002 is 20092215.

It is a super-3 number, since 3×51229002³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51229002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4024 + ... + 10892.

It is an arithmetic number, because the mean of its divisors is an integer number (3524310).

Almost surely, 2^51229002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51229002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56388960).

51229002 is an abundant number, since it is smaller than the sum of its proper divisors (61548918).

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

51229002 is a wasteful number, since it uses less digits than its factorization.

51229002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6998.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 51229002 is about 7157.4438174533. The cubic root of 51229002 is about 371.3972056213.

The spelling of 51229002 in words is "fifty-one million, two hundred twenty-nine thousand, two".