50507290 has 16 divisors (see below), whose sum is σ = 91193760. Its totient is φ = 20140560.

The previous prime is 50507279. The next prime is 50507291. The reversal of 50507290 is 9270505.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (50507291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4320 + ... + 10939.

It is an arithmetic number, because the mean of its divisors is an integer number (5699610).

Almost surely, 2^50507290 is an apocalyptic number.

50507290 is a deficient number, since it is larger than the sum of its proper divisors (40686470).

50507290 is a wasteful number, since it uses less digits than its factorization.

50507290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15597.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 50507290 is about 7106.8481058765. The cubic root of 50507290 is about 369.6448747463.

Adding to 50507290 its reverse (9270505), we get a palindrome (59777795).

The spelling of 50507290 in words is "fifty million, five hundred seven thousand, two hundred ninety".