57478014 has 72 divisors (see below), whose sum is σ = 139975992. Its totient is φ = 16904160.

The previous prime is 57478009. The next prime is 57478019. The reversal of 57478014 is 41087475.

57478014 is a `hidden beast` number, since 574 + 7 + 80 + 1 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (57478009) and next prime (57478019).

It is a self number, because there is not a number n which added to its sum of digits gives 57478014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57478019) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 366024 + ... + 366180.

It is an arithmetic number, because the mean of its divisors is an integer number (1944111).

Almost surely, 2^57478014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57478014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69987996).

57478014 is an abundant number, since it is smaller than the sum of its proper divisors (82497978).

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

57478014 is a wasteful number, since it uses less digits than its factorization.

57478014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 57478014 is about 7581.4255915362. The cubic root of 57478014 is about 385.9229310907.

The spelling of 57478014 in words is "fifty-seven million, four hundred seventy-eight thousand, fourteen".