537469992 has 160 divisors (see below), whose sum is σ = 1601483400. Its totient is φ = 168086016.

The previous prime is 537469981. The next prime is 537469993. The reversal of 537469992 is 299964735.

It can be written as a sum of positive squares in 4 ways, for example, as 448846596 + 88623396 = 21186^2 + 9414^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (537469993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 694918 + ... + 695690.

Almost surely, 2^537469992 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 537469992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800741700).

537469992 is an abundant number, since it is smaller than the sum of its proper divisors (1064013408).

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

537469992 is a wasteful number, since it uses less digits than its factorization.

537469992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 844 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 537469992 is about 23183.3990605347. The cubic root of 537469992 is about 813.0515347025.

The spelling of 537469992 in words is "five hundred thirty-seven million, four hundred sixty-nine thousand, nine hundred ninety-two".