533249136 has 160 divisors (see below), whose sum is σ = 1841548800. Its totient is φ = 144322560.

The previous prime is 533249113. The next prime is 533249137. The reversal of 533249136 is 631942335.

It is a happy number.

533249136 is a `hidden beast` number, since 533 + 2 + 4 + 91 + 36 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 533249136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533249137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52816 + ... + 62096.

It is an arithmetic number, because the mean of its divisors is an integer number (11509680).

Almost surely, 2^533249136 is an apocalyptic number.

533249136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 533249136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (920774400).

533249136 is an abundant number, since it is smaller than the sum of its proper divisors (1308299664).

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

533249136 is a wasteful number, since it uses less digits than its factorization.

533249136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9324 (or 9312 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 533249136 is about 23092.1877698931. The cubic root of 533249136 is about 810.9175883981.

The spelling of 533249136 in words is "five hundred thirty-three million, two hundred forty-nine thousand, one hundred thirty-six".