50672240 has 160 divisors (see below), whose sum is σ = 137401920. Its totient is φ = 17252352.

The previous prime is 50672233. The next prime is 50672249. The reversal of 50672240 is 4227605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50672249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 956054 + ... + 956106.

It is an arithmetic number, because the mean of its divisors is an integer number (858762).

Almost surely, 2^50672240 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 50672240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68700960).

50672240 is an abundant number, since it is smaller than the sum of its proper divisors (86729680).

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

50672240 is a wasteful number, since it uses less digits than its factorization.

50672240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 50672240 is about 7118.4436501247. The cubic root of 50672240 is about 370.0468409167.

Adding to 50672240 its reverse (4227605), we get a palindrome (54899845).

The spelling of 50672240 in words is "fifty million, six hundred seventy-two thousand, two hundred forty".