531464550 has 96 divisors (see below), whose sum is σ = 1364912640. Its totient is φ = 136761600.

The previous prime is 531464543. The next prime is 531464551. The reversal of 531464550 is 55464135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531464551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 633031 + ... + 633869.

It is an arithmetic number, because the mean of its divisors is an integer number (14217840).

Almost surely, 2^531464550 is an apocalyptic number.

531464550 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 531464550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682456320).

531464550 is an abundant number, since it is smaller than the sum of its proper divisors (833448090).

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

531464550 is a wasteful number, since it uses less digits than its factorization.

531464550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 531464550 is about 23053.5149163853. The cubic root of 531464550 is about 810.0119644628.

The spelling of 531464550 in words is "five hundred thirty-one million, four hundred sixty-four thousand, five hundred fifty".