533957780 has 18 divisors (see below), whose sum is σ = 1121528394. Its totient is φ = 213541776.

The previous prime is 533957747. The next prime is 533957807. The reversal of 533957780 is 87759335.

It can be written as a sum of positive squares in only one way, i.e., 427166224 + 106791556 = 20668^2 + 10334^2 .

It is a super-2 number, since 2×533957780² = 570221821645056800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100757 + ... + 105923.

It is an arithmetic number, because the mean of its divisors is an integer number (62307133).

Almost surely, 2^533957780 is an apocalyptic number.

It is an amenable number.

533957780 is an abundant number, since it is smaller than the sum of its proper divisors (587570614).

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

533957780 is an frugal number, since it uses more digits than its factorization.

533957780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10343 (or 5174 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 47.

The square root of 533957780 is about 23107.5264794828. The cubic root of 533957780 is about 811.2766435299.

The spelling of 533957780 in words is "five hundred thirty-three million, nine hundred fifty-seven thousand, seven hundred eighty".