50615040 has 216 divisors, whose sum is σ = 188742960. Its totient is φ = 11526144.

The previous prime is 50615023. The next prime is 50615077. The reversal of 50615040 is 4051605.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 50614998 and 50615016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188026 + ... + 188294.

It is an arithmetic number, because the mean of its divisors is an integer number (873810).

Almost surely, 2^50615040 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 50615040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94371480).

50615040 is an abundant number, since it is smaller than the sum of its proper divisors (138127920).

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

50615040 is a wasteful number, since it uses less digits than its factorization.

50615040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 50615040 is about 7114.4247834944. The cubic root of 50615040 is about 369.9075493389.

Adding to 50615040 its reverse (4051605), we get a palindrome (54666645).

It can be divided in two parts, 5061 and 5040, that added together give a palindrome (10101).

The spelling of 50615040 in words is "fifty million, six hundred fifteen thousand, forty".