57351648 has 48 divisors (see below), whose sum is σ = 151151616. Its totient is φ = 19040640.

The previous prime is 57351631. The next prime is 57351649. The reversal of 57351648 is 84615375.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57351649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26113 + ... + 28223.

It is an arithmetic number, because the mean of its divisors is an integer number (3148992).

Almost surely, 2^57351648 is an apocalyptic number.

It is an amenable number.

57351648 is an abundant number, since it is smaller than the sum of its proper divisors (93799968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57351648 is a wasteful number, since it uses less digits than its factorization.

57351648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407 (or 2399 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 57351648 is about 7573.0870851985. The cubic root of 57351648 is about 385.6399050774.

The spelling of 57351648 in words is "fifty-seven million, three hundred fifty-one thousand, six hundred forty-eight".