537851520 has 96 divisors (see below), whose sum is σ = 1857288420. Its totient is φ = 143425536.

The previous prime is 537851507. The next prime is 537851521. The reversal of 537851520 is 25158735.

537851520 is a `hidden beast` number, since 53 + 7 + 85 + 1 + 520 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 512207424 + 25644096 = 22632^2 + 5064^2 .

It is a tau number, because it is divible by the number of its divisors (96).

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

It is not an unprimeable number, because it can be changed into a prime (537851521) 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 11 ways as a sum of consecutive naturals, for example, 40929 + ... + 52448.

Almost surely, 2^537851520 is an apocalyptic number.

It is an amenable number.

537851520 is an abundant number, since it is smaller than the sum of its proper divisors (1319436900).

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

537851520 is a wasteful number, since it uses less digits than its factorization.

537851520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93402 (or 93387 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 537851520 is about 23191.6260749435. The cubic root of 537851520 is about 813.2438732266.

The spelling of 537851520 in words is "five hundred thirty-seven million, eight hundred fifty-one thousand, five hundred twenty".