50613240 has 64 divisors (see below), whose sum is σ = 152681760. Its totient is φ = 13422080.

The previous prime is 50613239. The next prime is 50613253. The reversal of 50613240 is 4231605.

It is a happy number.

It is a congruent number.

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, 22570 + ... + 24710.

Almost surely, 2^50613240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50613240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76340880).

50613240 is an abundant number, since it is smaller than the sum of its proper divisors (102068520).

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

50613240 is a wasteful number, since it uses less digits than its factorization.

50613240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352 (or 2348 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 50613240 is about 7114.2982788185. The cubic root of 50613240 is about 369.9031643347.

Adding to 50613240 its reverse (4231605), we get a palindrome (54844845).

The spelling of 50613240 in words is "fifty million, six hundred thirteen thousand, two hundred forty".