537505155 has 96 divisors (see below), whose sum is σ = 1087107840. Its totient is φ = 242922240.

The previous prime is 537505153. The next prime is 537505159. The reversal of 537505155 is 551505735.

It is not a de Polignac number, because 537505155 - 2¹ = 537505153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (537505153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 629709 + ... + 630561.

It is an arithmetic number, because the mean of its divisors is an integer number (11324040).

Almost surely, 2^537505155 is an apocalyptic number.

537505155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

537505155 is an abundant number, since it is smaller than the sum of its proper divisors (549602685).

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

537505155 is a wasteful number, since it uses less digits than its factorization.

537505155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 65625, while the sum is 36.

The square root of 537505155 is about 23184.1574140619. The cubic root of 537505155 is about 813.0692651235.

The spelling of 537505155 in words is "five hundred thirty-seven million, five hundred five thousand, one hundred fifty-five".