543064620551 has 4 divisors (see below), whose sum is σ = 543896266872. Its totient is φ = 542232974232.

The previous prime is 543064620479. The next prime is 543064620619. The reversal of 543064620551 is 155026460345.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 543064620551 - 2³⁰ = 541990878727 is a prime.

It is a super-2 number, since 2×543064620551² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 543064620499 and 543064620508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543064610551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415822181 + ... + 415823486.

It is an arithmetic number, because the mean of its divisors is an integer number (135974066718).

Almost surely, 2^543064620551 is an apocalyptic number.

543064620551 is a deficient number, since it is larger than the sum of its proper divisors (831646321).

543064620551 is an equidigital number, since it uses as much as digits as its factorization.

543064620551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831646320.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 543064620551 in words is "five hundred forty-three billion, sixty-four million, six hundred twenty thousand, five hundred fifty-one".