57453678 has 64 divisors (see below), whose sum is σ = 134507520. Its totient is φ = 18143136.

The previous prime is 57453667. The next prime is 57453703. The reversal of 57453678 is 87635475.

57453678 is a `hidden beast` number, since 574 + 5 + 3 + 6 + 78 = 666.

It is a Curzon number.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207276 + ... + 207552.

It is an arithmetic number, because the mean of its divisors is an integer number (2101680).

Almost surely, 2^57453678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57453678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67253760).

57453678 is an abundant number, since it is smaller than the sum of its proper divisors (77053842).

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

57453678 is a wasteful number, since it uses less digits than its factorization.

57453678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 472 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 57453678 is about 7579.8204464222. The cubic root of 57453678 is about 385.8684572401.

The spelling of 57453678 in words is "fifty-seven million, four hundred fifty-three thousand, six hundred seventy-eight".