531400255050 has 192 divisors, whose sum is σ = 1515351011328. Its totient is φ = 120722400000.

The previous prime is 531400255049. The next prime is 531400255073. The reversal of 531400255050 is 50552004135.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 531400254999 and 531400255017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 131175525 + ... + 131179575.

It is an arithmetic number, because the mean of its divisors is an integer number (7892453184).

Almost surely, 2^531400255050 is an apocalyptic number.

531400255050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 531400255050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (757675505664).

531400255050 is an abundant number, since it is smaller than the sum of its proper divisors (983950756278).

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

531400255050 is a wasteful number, since it uses less digits than its factorization.

531400255050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4805 (or 4800 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

Adding to 531400255050 its reverse (50552004135), we get a palindrome (581952259185).

The spelling of 531400255050 in words is "five hundred thirty-one billion, four hundred million, two hundred fifty-five thousand, fifty".