57449429 has 4 divisors (see below), whose sum is σ = 57496320. Its totient is φ = 57402540.

The previous prime is 57449347. The next prime is 57449461. The reversal of 57449429 is 92494475.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57449429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57449429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57449489) 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, 21557 + ... + 24074.

It is an arithmetic number, because the mean of its divisors is an integer number (14374080).

Almost surely, 2^57449429 is an apocalyptic number.

It is an amenable number.

57449429 is a deficient number, since it is larger than the sum of its proper divisors (46891).

57449429 is a wasteful number, since it uses less digits than its factorization.

57449429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46890.

The product of its digits is 362880, while the sum is 44.

The square root of 57449429 is about 7579.5401575557. The cubic root of 57449429 is about 385.8589446753.

The spelling of 57449429 in words is "fifty-seven million, four hundred forty-nine thousand, four hundred twenty-nine".