50213000 has 64 divisors (see below), whose sum is σ = 118638000. Its totient is φ = 19891200.

The previous prime is 50212997. The next prime is 50213021. The reversal of 50213000 is 31205.

It can be written as a sum of positive squares in 8 ways, for example, as 1240996 + 48972004 = 1114^2 + 6998^2 .

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, 148832 + ... + 149168.

Almost surely, 2^50213000 is an apocalyptic number.

50213000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50213000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59319000).

50213000 is an abundant number, since it is smaller than the sum of its proper divisors (68425000).

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

50213000 is a wasteful number, since it uses less digits than its factorization.

50213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 50213000 is about 7086.1131800162. The cubic root of 50213000 is about 368.9255412418.

Adding to 50213000 its reverse (31205), we get a palindrome (50244205).

The spelling of 50213000 in words is "fifty million, two hundred thirteen thousand".