57445272269 has 32 divisors (see below), whose sum is σ = 74014359552. Its totient is φ = 43269408000.

The previous prime is 57445272263. The next prime is 57445272293. The reversal of 57445272269 is 96227254475.

It is not a de Polignac number, because 57445272269 - 2¹⁶ = 57445206733 is a prime.

It is a super-2 number, since 2×57445272269² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57445272269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57445272263) 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, 2161349 + ... + 2187765.

It is an arithmetic number, because the mean of its divisors is an integer number (2312948736).

Almost surely, 2^57445272269 is an apocalyptic number.

It is an amenable number.

57445272269 is a deficient number, since it is larger than the sum of its proper divisors (16569087283).

57445272269 is a wasteful number, since it uses less digits than its factorization.

57445272269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27377.

The product of its digits is 8467200, while the sum is 53.

The spelling of 57445272269 in words is "fifty-seven billion, four hundred forty-five million, two hundred seventy-two thousand, two hundred sixty-nine".