537231648 has 24 divisors (see below), whose sum is σ = 1410233328. Its totient is φ = 179077184.

The previous prime is 537231599. The next prime is 537231649. The reversal of 537231648 is 846132735.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×537231648² = 577235687225591808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (537231649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2797986 + ... + 2798177.

It is an arithmetic number, because the mean of its divisors is an integer number (58759722).

Almost surely, 2^537231648 is an apocalyptic number.

It is an amenable number.

537231648 is an abundant number, since it is smaller than the sum of its proper divisors (873001680).

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

537231648 is a wasteful number, since it uses less digits than its factorization.

537231648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5596176 (or 5596168 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 537231648 is about 23178.2580881308. The cubic root of 537231648 is about 812.9313328865.

The spelling of 537231648 in words is "five hundred thirty-seven million, two hundred thirty-one thousand, six hundred forty-eight".