57019149 has 24 divisors (see below), whose sum is σ = 91552032. Its totient is φ = 33901920.

The previous prime is 57019147. The next prime is 57019153. The reversal of 57019149 is 94191075.

It is not a de Polignac number, because 57019149 - 2¹ = 57019147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57019141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187 + ... + 10680.

It is an arithmetic number, because the mean of its divisors is an integer number (3814668).

Almost surely, 2^57019149 is an apocalyptic number.

It is an amenable number.

57019149 is a deficient number, since it is larger than the sum of its proper divisors (34532883).

57019149 is a wasteful number, since it uses less digits than its factorization.

57019149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10937 (or 10934 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 57019149 is about 7551.1025022840. The cubic root of 57019149 is about 384.8932047634.

The spelling of 57019149 in words is "fifty-seven million, nineteen thousand, one hundred forty-nine".