57249464 has 8 divisors (see below), whose sum is σ = 107342760. Its totient is φ = 28624728.

The previous prime is 57249463. The next prime is 57249473. The reversal of 57249464 is 46494275.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×57249464² = 6555002256574592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57249463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3578084 + ... + 3578099.

It is an arithmetic number, because the mean of its divisors is an integer number (13417845).

Almost surely, 2^57249464 is an apocalyptic number.

It is an amenable number.

57249464 is a deficient number, since it is larger than the sum of its proper divisors (50093296).

57249464 is a wasteful number, since it uses less digits than its factorization.

57249464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7156189 (or 7156185 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 57249464 is about 7566.3375552509. The cubic root of 57249464 is about 385.4107361048.

The spelling of 57249464 in words is "fifty-seven million, two hundred forty-nine thousand, four hundred sixty-four".