537555555 has 64 divisors (see below), whose sum is σ = 1026432000. Its totient is φ = 265950720.

The previous prime is 537555533. The next prime is 537555569. The reversal of 537555555 is 555555735.

It is not a de Polignac number, because 537555555 - 2⁵ = 537555523 is a prime.

It is a super-2 number, since 2×537555555² = 577931949422716050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

537555555 is a modest number, since divided by 55555 gives 5375 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 537555555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 161296 + ... + 164594.

It is an arithmetic number, because the mean of its divisors is an integer number (16038000).

Almost surely, 2^537555555 is an apocalyptic number.

537555555 is a deficient number, since it is larger than the sum of its proper divisors (488876445).

537555555 is a wasteful number, since it uses less digits than its factorization.

537555555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401 (or 3395 counting only the distinct ones).

The product of its digits is 1640625, while the sum is 45.

The square root of 537555555 is about 23185.2443377248. The cubic root of 537555555 is about 813.0946772272.

The spelling of 537555555 in words is "five hundred thirty-seven million, five hundred fifty-five thousand, five hundred fifty-five".