50615000 has 80 divisors (see below), whose sum is σ = 121461120. Its totient is φ = 19760000.

The previous prime is 50614997. The next prime is 50615003. The reversal of 50615000 is 51605.

It is an interprime number because it is at equal distance from previous prime (50614997) and next prime (50615003).

It is a self number, because there is not a number n which added to its sum of digits gives 50615000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50615003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 264905 + ... + 265095.

It is an arithmetic number, because the mean of its divisors is an integer number (1518264).

Almost surely, 2^50615000 is an apocalyptic number.

50615000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50615000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60730560).

50615000 is an abundant number, since it is smaller than the sum of its proper divisors (70846120).

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

50615000 is a wasteful number, since it uses less digits than its factorization.

50615000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 50615000 is about 7114.4219723039. The cubic root of 50615000 is about 369.9074518955.

Adding to 50615000 its reverse (51605), we get a palindrome (50666605).

The spelling of 50615000 in words is "fifty million, six hundred fifteen thousand".