272552557 has 4 divisors (see below), whose sum is σ = 272691036. Its totient is φ = 272414080.

The previous prime is 272552537. The next prime is 272552561. The reversal of 272552557 is 755255272.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6405961 + 266146596 = 2531^2 + 16314^2 .

It is a cyclic number.

It is not a de Polignac number, because 272552557 - 2²⁷ = 138334829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272552537) 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, 66244 + ... + 70237.

It is an arithmetic number, because the mean of its divisors is an integer number (68172759).

Almost surely, 2^272552557 is an apocalyptic number.

It is an amenable number.

272552557 is a deficient number, since it is larger than the sum of its proper divisors (138479).

272552557 is a wasteful number, since it uses less digits than its factorization.

272552557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138478.

The product of its digits is 245000, while the sum is 40.

The square root of 272552557 is about 16509.1658480978. The cubic root of 272552557 is about 648.3608061850.

The spelling of 272552557 in words is "two hundred seventy-two million, five hundred fifty-two thousand, five hundred fifty-seven".