57287484 has 36 divisors (see below), whose sum is σ = 153329904. Its totient is φ = 17972352.

The previous prime is 57287471. The next prime is 57287519. The reversal of 57287484 is 48478275.

57287484 is a `hidden beast` number, since 572 + 8 + 74 + 8 + 4 = 666.

57287484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46192 + ... + 47415.

It is an arithmetic number, because the mean of its divisors is an integer number (4259164).

Almost surely, 2^57287484 is an apocalyptic number.

It is an amenable number.

57287484 is an abundant number, since it is smaller than the sum of its proper divisors (96042420).

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

57287484 is a wasteful number, since it uses less digits than its factorization.

57287484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93634 (or 93629 counting only the distinct ones).

The product of its digits is 501760, while the sum is 45.

The square root of 57287484 is about 7568.8495823342. The cubic root of 57287484 is about 385.4960357307.

The spelling of 57287484 in words is "fifty-seven million, two hundred eighty-seven thousand, four hundred eighty-four".