537229648 has 40 divisors (see below), whose sum is σ = 1108804032. Its totient is φ = 251278848.

The previous prime is 537229643. The next prime is 537229663. The reversal of 537229648 is 846922735.

It is a junction number, because it is equal to n+sod(n) for n = 537229598 and 537229607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537229643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39511 + ... + 51337.

Almost surely, 2^537229648 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 537229648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554402016).

537229648 is an abundant number, since it is smaller than the sum of its proper divisors (571574384).

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

537229648 is a wasteful number, since it uses less digits than its factorization.

537229648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12019 (or 12013 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The square root of 537229648 is about 23178.2149442100. The cubic root of 537229648 is about 812.9303240947.

The spelling of 537229648 in words is "five hundred thirty-seven million, two hundred twenty-nine thousand, six hundred forty-eight".