50312540 has 12 divisors (see below), whose sum is σ = 105656376. Its totient is φ = 20125008.

The previous prime is 50312539. The next prime is 50312567. The reversal of 50312540 is 4521305.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 2515627 = 50312540 / (5 + 0 + 3 + 1 + 2 + 5 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257794 + ... + 1257833.

It is an arithmetic number, because the mean of its divisors is an integer number (8804698).

Almost surely, 2^50312540 is an apocalyptic number.

It is an amenable number.

50312540 is an abundant number, since it is smaller than the sum of its proper divisors (55343836).

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

50312540 is a wasteful number, since it uses less digits than its factorization.

50312540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515636 (or 2515634 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 50312540 is about 7093.1332991845. The cubic root of 50312540 is about 369.1691608168.

Adding to 50312540 its reverse (4521305), we get a palindrome (54833845).

The spelling of 50312540 in words is "fifty million, three hundred twelve thousand, five hundred forty".