50920002 has 80 divisors (see below), whose sum is σ = 132213312. Its totient is φ = 14346720.

The previous prime is 50919983. The next prime is 50920013. The reversal of 50920002 is 20002905.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 93852 + ... + 94392.

Almost surely, 2^50920002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50920002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66106656).

50920002 is an abundant number, since it is smaller than the sum of its proper divisors (81293310).

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

50920002 is a wasteful number, since it uses less digits than its factorization.

50920002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 50920002 is about 7135.8252501025. The cubic root of 50920002 is about 370.6489754782.

Adding to 50920002 its reverse (20002905), we get a palindrome (70922907).

The spelling of 50920002 in words is "fifty million, nine hundred twenty thousand, two".