52404402550 has 36 divisors (see below), whose sum is σ = 102872345436. Its totient is φ = 19858503600.

The previous prime is 52404402541. The next prime is 52404402553. The reversal of 52404402550 is 5520440425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52404402553) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1433596 + ... + 1469695.

It is an arithmetic number, because the mean of its divisors is an integer number (2857565151).

Almost surely, 2^52404402550 is an apocalyptic number.

52404402550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52404402550 is a deficient number, since it is larger than the sum of its proper divisors (50467942886).

52404402550 is a wasteful number, since it uses less digits than its factorization.

52404402550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903341 (or 2903317 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

Adding to 52404402550 its reverse (5520440425), we get a palindrome (57924842975).

The spelling of 52404402550 in words is "fifty-two billion, four hundred four million, four hundred two thousand, five hundred fifty".