57405369 has 8 divisors (see below), whose sum is σ = 87474880. Its totient is φ = 32803056.

The previous prime is 57405367. The next prime is 57405391. The reversal of 57405369 is 96350475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57405369 - 2¹ = 57405367 is a prime.

It is a super-2 number, since 2×57405369² = 6590752780052322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57405367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1366774 + ... + 1366815.

It is an arithmetic number, because the mean of its divisors is an integer number (10934360).

Almost surely, 2^57405369 is an apocalyptic number.

It is an amenable number.

57405369 is a deficient number, since it is larger than the sum of its proper divisors (30069511).

57405369 is a wasteful number, since it uses less digits than its factorization.

57405369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733599.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 57405369 is about 7576.6330912880. The cubic root of 57405369 is about 385.7602764874.

The spelling of 57405369 in words is "fifty-seven million, four hundred five thousand, three hundred sixty-nine".