50304540 has 216 divisors, whose sum is σ = 171735984. Its totient is φ = 10982400.

The previous prime is 50304503. The next prime is 50304559. The reversal of 50304540 is 4540305.

It is a happy number.

It is a super-2 number, since 2×50304540² = 5061093489223200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1226920 + ... + 1226960.

It is an arithmetic number, because the mean of its divisors is an integer number (795074).

Almost surely, 2^50304540 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 50304540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85867992).

50304540 is an abundant number, since it is smaller than the sum of its proper divisors (121431444).

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

50304540 is a wasteful number, since it uses less digits than its factorization.

50304540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 50304540 is about 7092.5693510885. The cubic root of 50304540 is about 369.1495930653.

Adding to 50304540 its reverse (4540305), we get a palindrome (54844845).

It can be divided in two parts, 50 and 304540, that added together give a triangular number (304590 = T₇₈₀).

The spelling of 50304540 in words is "fifty million, three hundred four thousand, five hundred forty".