545996521 has 32 divisors (see below), whose sum is σ = 683294720. Its totient is φ = 425736000.

The previous prime is 545996491. The next prime is 545996533. The reversal of 545996521 is 125699545.

545996521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 545996521 - 2⁵ = 545996489 is a prime.

It is a super-2 number, since 2×545996521² = 596224401888206882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545996551) 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, 622135 + ... + 623011.

It is an arithmetic number, because the mean of its divisors is an integer number (21352960).

Almost surely, 2^545996521 is an apocalyptic number.

It is an amenable number.

545996521 is a deficient number, since it is larger than the sum of its proper divisors (137298199).

545996521 is a wasteful number, since it uses less digits than its factorization.

545996521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085.

The product of its digits is 486000, while the sum is 46.

The square root of 545996521 is about 23366.5684472496. The cubic root of 545996521 is about 817.3284665992.

The spelling of 545996521 in words is "five hundred forty-five million, nine hundred ninety-six thousand, five hundred twenty-one".