537801992 has 128 divisors (see below), whose sum is σ = 1330560000. Its totient is φ = 197842176.

The previous prime is 537801983. The next prime is 537801997. The reversal of 537801992 is 299108735.

It is not an unprimeable number, because it can be changed into a prime (537801997) 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, 815759 + ... + 816417.

It is an arithmetic number, because the mean of its divisors is an integer number (10395000).

Almost surely, 2^537801992 is an apocalyptic number.

537801992 is a gapful number since it is divisible by the number (52) 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 537801992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665280000).

537801992 is an abundant number, since it is smaller than the sum of its proper divisors (792758008).

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

537801992 is a wasteful number, since it uses less digits than its factorization.

537801992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 537801992 is about 23190.5582511504. The cubic root of 537801992 is about 813.2189099684.

The spelling of 537801992 in words is "five hundred thirty-seven million, eight hundred one thousand, nine hundred ninety-two".