52315400450 has 12 divisors (see below), whose sum is σ = 97306644930. Its totient is φ = 20926160160.

The previous prime is 52315400447. The next prime is 52315400531. The reversal of 52315400450 is 5400451325.

It can be written as a sum of positive squares in 3 ways, for example, as 39061174321 + 13254226129 = 197639^2 + 115127^2 .

It is a super-2 number, since 2×52315400450² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 523153955 + ... + 523154054.

Almost surely, 2^52315400450 is an apocalyptic number.

52315400450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52315400450 is a deficient number, since it is larger than the sum of its proper divisors (44991244480).

52315400450 is a wasteful number, since it uses less digits than its factorization.

52315400450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046308021 (or 1046308016 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 52315400450 its reverse (5400451325), we get a palindrome (57715851775).

The spelling of 52315400450 in words is "fifty-two billion, three hundred fifteen million, four hundred thousand, four hundred fifty".