57464405 has 4 divisors (see below), whose sum is σ = 68957292. Its totient is φ = 45971520.

The previous prime is 57464401. The next prime is 57464413. The reversal of 57464405 is 50446475.

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 35129329 + 22335076 = 5927^2 + 4726^2 .

It is not a de Polignac number, because 57464405 - 2² = 57464401 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 (57464401) 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, 5746436 + ... + 5746445.

It is an arithmetic number, because the mean of its divisors is an integer number (17239323).

Almost surely, 2^57464405 is an apocalyptic number.

It is an amenable number.

57464405 is a deficient number, since it is larger than the sum of its proper divisors (11492887).

57464405 is a wasteful number, since it uses less digits than its factorization.

57464405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11492886.

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 57464405 is about 7580.5280159102. The cubic root of 57464405 is about 385.8924705177.

The spelling of 57464405 in words is "fifty-seven million, four hundred sixty-four thousand, four hundred five".