50211240 has 32 divisors (see below), whose sum is σ = 150634080. Its totient is φ = 13389632.

The previous prime is 50211199. The next prime is 50211253. The reversal of 50211240 is 4211205.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209094 + ... + 209333.

It is an arithmetic number, because the mean of its divisors is an integer number (4707315).

Almost surely, 2^50211240 is an apocalyptic number.

It is an amenable number.

50211240 is an abundant number, since it is smaller than the sum of its proper divisors (100422840).

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

50211240 is a wasteful number, since it uses less digits than its factorization.

50211240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418441 (or 418437 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 50211240 is about 7085.9889923708. The cubic root of 50211240 is about 368.9212308273.

Adding to 50211240 its reverse (4211205), we get a palindrome (54422445).

The spelling of 50211240 in words is "fifty million, two hundred eleven thousand, two hundred forty".