50126220 has 36 divisors (see below), whose sum is σ = 152050080. Its totient is φ = 13366944.

The previous prime is 50126191. The next prime is 50126221. The reversal of 50126220 is 2262105.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 50126193 and 50126202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50126221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139060 + ... + 139419.

Almost surely, 2^50126220 is an apocalyptic number.

It is an amenable number.

50126220 is an abundant number, since it is smaller than the sum of its proper divisors (101923860).

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

50126220 is a wasteful number, since it uses less digits than its factorization.

50126220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278494 (or 278489 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 50126220 is about 7079.9872881242. The cubic root of 50126220 is about 368.7128883460.

Adding to 50126220 its reverse (2262105), we get a palindrome (52388325).

The spelling of 50126220 in words is "fifty million, one hundred twenty-six thousand, two hundred twenty".