57323405 has 8 divisors (see below), whose sum is σ = 72834552. Its totient is φ = 43161088.

The previous prime is 57323393. The next prime is 57323417. The reversal of 57323405 is 50432375.

It is an interprime number because it is at equal distance from previous prime (57323393) and next prime (57323417).

It can be written as a sum of positive squares in 4 ways, for example, as 21058921 + 36264484 = 4589^2 + 6022^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 57323405 - 2¹² = 57319309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337112 + ... + 337281.

It is an arithmetic number, because the mean of its divisors is an integer number (9104319).

Almost surely, 2^57323405 is an apocalyptic number.

It is an amenable number.

57323405 is a deficient number, since it is larger than the sum of its proper divisors (15511147).

57323405 is a wasteful number, since it uses less digits than its factorization.

57323405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674415.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 57323405 is about 7571.2221602592. Note that the first 3 decimals coincide. The cubic root of 57323405 is about 385.5765914873.

The spelling of 57323405 in words is "fifty-seven million, three hundred twenty-three thousand, four hundred five".