545534473 has 16 divisors (see below), whose sum is σ = 606600000. Its totient is φ = 486420480.

The previous prime is 545534449. The next prime is 545534503. The reversal of 545534473 is 374435545.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545534473 is a prime.

It is a super-2 number, since 2×545534473² = 595215722462775458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545534413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436153 + ... + 437401.

It is an arithmetic number, because the mean of its divisors is an integer number (37912500).

Almost surely, 2^545534473 is an apocalyptic number.

It is an amenable number.

545534473 is a deficient number, since it is larger than the sum of its proper divisors (61065527).

545534473 is a wasteful number, since it uses less digits than its factorization.

545534473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992.

The product of its digits is 504000, while the sum is 40.

The square root of 545534473 is about 23356.6794086831. The cubic root of 545534473 is about 817.0978475714.

The spelling of 545534473 in words is "five hundred forty-five million, five hundred thirty-four thousand, four hundred seventy-three".