537555543 has 32 divisors (see below), whose sum is σ = 864829440. Its totient is φ = 290135520.

The previous prime is 537555533. The next prime is 537555569. The reversal of 537555543 is 345555735.

It is a happy number.

It is not a de Polignac number, because 537555543 - 2⁴ = 537555527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 537555495 and 537555504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537555523) 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, 144598 + ... + 148268.

It is an arithmetic number, because the mean of its divisors is an integer number (27025920).

Almost surely, 2^537555543 is an apocalyptic number.

537555543 is a deficient number, since it is larger than the sum of its proper divisors (327273897).

537555543 is a wasteful number, since it uses less digits than its factorization.

537555543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067.

The product of its digits is 787500, while the sum is 42.

The square root of 537555543 is about 23185.2440789395. The cubic root of 537555543 is about 813.0946711769.

The spelling of 537555543 in words is "five hundred thirty-seven million, five hundred fifty-five thousand, five hundred forty-three".