50315140 has 12 divisors (see below), whose sum is σ = 105661836. Its totient is φ = 20126048.

The previous prime is 50315137. The next prime is 50315143. The reversal of 50315140 is 4151305.

It is an interprime number because it is at equal distance from previous prime (50315137) and next prime (50315143).

It can be written as a sum of positive squares in 2 ways, for example, as 39765636 + 10549504 = 6306^2 + 3248^2 .

It is a super-2 number, since 2×50315140² = 5063226626439200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50315143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257859 + ... + 1257898.

It is an arithmetic number, because the mean of its divisors is an integer number (8805153).

Almost surely, 2^50315140 is an apocalyptic number.

It is an amenable number.

50315140 is an abundant number, since it is smaller than the sum of its proper divisors (55346696).

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

50315140 is a wasteful number, since it uses less digits than its factorization.

50315140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515766 (or 2515764 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 50315140 is about 7093.3165726619. The cubic root of 50315140 is about 369.1755198894.

Adding to 50315140 its reverse (4151305), we get a palindrome (54466445).

The spelling of 50315140 in words is "fifty million, three hundred fifteen thousand, one hundred forty".