50553540 has 72 divisors (see below), whose sum is σ = 160026048. Its totient is φ = 12893760.

The previous prime is 50553523. The next prime is 50553551. The reversal of 50553540 is 4535505.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1966 + ... + 10245.

It is an arithmetic number, because the mean of its divisors is an integer number (2222584).

Almost surely, 2^50553540 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 50553540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80013024).

50553540 is an abundant number, since it is smaller than the sum of its proper divisors (109472508).

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

50553540 is a wasteful number, since it uses less digits than its factorization.

50553540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12249 (or 12244 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 50553540 is about 7110.1012651016. The cubic root of 50553540 is about 369.7576694192.

It can be divided in two parts, 505 and 53540, that added together give a palindrome (54045).

The spelling of 50553540 in words is "fifty million, five hundred fifty-three thousand, five hundred forty".