537705988 has 24 divisors (see below), whose sum is σ = 1015143192. Its totient is φ = 248262144.

The previous prime is 537705929. The next prime is 537705989. The reversal of 537705988 is 889507735.

It can be written as a sum of positive squares in 4 ways, for example, as 56430144 + 481275844 = 7512^2 + 21938^2 .

It is a super-2 number, since 2×537705988² = 578255459062112288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (537705989) 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, 70995 + ... + 78202.

It is an arithmetic number, because the mean of its divisors is an integer number (42297633).

Almost surely, 2^537705988 is an apocalyptic number.

It is an amenable number.

537705988 is a deficient number, since it is larger than the sum of its proper divisors (477437204).

537705988 is a wasteful number, since it uses less digits than its factorization.

537705988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149271 (or 149269 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 52.

The square root of 537705988 is about 23188.4882646541. The cubic root of 537705988 is about 813.1705173658.

The spelling of 537705988 in words is "five hundred thirty-seven million, seven hundred five thousand, nine hundred eighty-eight".