537551532 has 96 divisors (see below), whose sum is σ = 1644195840. Its totient is φ = 148625280.

The previous prime is 537551491. The next prime is 537551551. The reversal of 537551532 is 235155735.

537551532 is a `hidden beast` number, since 5 + 3 + 75 + 51 + 532 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11968 + ... + 34904.

It is an arithmetic number, because the mean of its divisors is an integer number (17127040).

Almost surely, 2^537551532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 537551532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (822097920).

537551532 is an abundant number, since it is smaller than the sum of its proper divisors (1106644308).

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

537551532 is a wasteful number, since it uses less digits than its factorization.

537551532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22988 (or 22980 counting only the distinct ones).

The product of its digits is 78750, while the sum is 36.

The square root of 537551532 is about 23185.1575797966. The cubic root of 537551532 is about 813.0926488551.

The spelling of 537551532 in words is "five hundred thirty-seven million, five hundred fifty-one thousand, five hundred thirty-two".