57348081 has 30 divisors (see below), whose sum is σ = 99661650. Its totient is φ = 32768064.

The previous prime is 57348077. The next prime is 57348091. The reversal of 57348081 is 18084375.

57348081 is a `hidden beast` number, since 573 + 4 + 8 + 0 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 57153600 + 194481 = 7560^2 + 441^2 .

It is not a de Polignac number, because 57348081 - 2² = 57348077 is a prime.

It is a super-2 number, since 2×57348081² = 6577604788765122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57348091) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3256 + ... + 11193.

It is an arithmetic number, because the mean of its divisors is an integer number (3322055).

Almost surely, 2^57348081 is an apocalyptic number.

It is an amenable number.

57348081 is a deficient number, since it is larger than the sum of its proper divisors (42313569).

57348081 is a wasteful number, since it uses less digits than its factorization.

57348081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14475 (or 14459 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 57348081 is about 7572.8515765199. The cubic root of 57348081 is about 385.6319099217.

The spelling of 57348081 in words is "fifty-seven million, three hundred forty-eight thousand, eighty-one".