57654439 has 4 divisors (see below), whose sum is σ = 57788640. Its totient is φ = 57520240.

The previous prime is 57654433. The next prime is 57654461. The reversal of 57654439 is 93445675.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57654439 - 2¹¹ = 57652391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57654395 and 57654404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57654433) 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, 66454 + ... + 67315.

It is an arithmetic number, because the mean of its divisors is an integer number (14447160).

Almost surely, 2^57654439 is an apocalyptic number.

57654439 is a deficient number, since it is larger than the sum of its proper divisors (134201).

57654439 is a wasteful number, since it uses less digits than its factorization.

57654439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134200.

The product of its digits is 453600, while the sum is 43.

The square root of 57654439 is about 7593.0520214206. The cubic root of 57654439 is about 386.3173828392.

The spelling of 57654439 in words is "fifty-seven million, six hundred fifty-four thousand, four hundred thirty-nine".