537499550 has 96 divisors (see below), whose sum is σ = 1213850880. Its totient is φ = 172972800.

The previous prime is 537499537. The next prime is 537499561. The reversal of 537499550 is 55994735.

It is a junction number, because it is equal to n+sod(n) for n = 537499495 and 537499504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 870842 + ... + 871458.

It is an arithmetic number, because the mean of its divisors is an integer number (12644280).

Almost surely, 2^537499550 is an apocalyptic number.

537499550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

537499550 is an abundant number, since it is smaller than the sum of its proper divisors (676351330).

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

537499550 is a wasteful number, since it uses less digits than its factorization.

537499550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786 (or 781 counting only the distinct ones).

The product of its (nonzero) digits is 850500, while the sum is 47.

The square root of 537499550 is about 23184.0365337876. The cubic root of 537499550 is about 813.0664389372.

The spelling of 537499550 in words is "five hundred thirty-seven million, four hundred ninety-nine thousand, five hundred fifty".