57069441 has 60 divisors (see below), whose sum is σ = 100972080. Its totient is φ = 31842720.

The previous prime is 57069437. The next prime is 57069443. The reversal of 57069441 is 14496075.

It is not a de Polignac number, because 57069441 - 2² = 57069437 is a prime.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 57069396 and 57069405.

It is not an unprimeable number, because it can be changed into a prime (57069443) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 150390 + ... + 150768.

It is an arithmetic number, because the mean of its divisors is an integer number (1682868).

Almost surely, 2^57069441 is an apocalyptic number.

It is an amenable number.

57069441 is a deficient number, since it is larger than the sum of its proper divisors (43902639).

57069441 is a wasteful number, since it uses less digits than its factorization.

57069441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 57069441 is about 7554.4318780435. The cubic root of 57069441 is about 385.0063326107.

The spelling of 57069441 in words is "fifty-seven million, sixty-nine thousand, four hundred forty-one".