50551002 has 48 divisors (see below), whose sum is σ = 114440040. Its totient is φ = 16106496.

The previous prime is 50550977. The next prime is 50551037. The reversal of 50551002 is 20015505.

It can be written as a sum of positive squares in 4 ways, for example, as 40947201 + 9603801 = 6399^2 + 3099^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58558 + ... + 59414.

Almost surely, 2^50551002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50551002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57220020).

50551002 is an abundant number, since it is smaller than the sum of its proper divisors (63889038).

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

50551002 is a wasteful number, since it uses less digits than its factorization.

50551002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 50551002 is about 7109.9227843908. The cubic root of 50551002 is about 369.7514815197.

Adding to 50551002 its reverse (20015505), we get a palindrome (70566507).

The spelling of 50551002 in words is "fifty million, five hundred fifty-one thousand, two".