56497284 has 48 divisors (see below), whose sum is σ = 147873600. Its totient is φ = 18652608.

The previous prime is 56497253. The next prime is 56497333. The reversal of 56497284 is 48279465.

It is a happy number.

56497284 is a `hidden beast` number, since 564 + 9 + 7 + 2 + 84 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9112 + ... + 14000.

It is an arithmetic number, because the mean of its divisors is an integer number (3080700).

Almost surely, 2^56497284 is an apocalyptic number.

56497284 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56497284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73936800).

56497284 is an abundant number, since it is smaller than the sum of its proper divisors (91376316).

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

56497284 is a wasteful number, since it uses less digits than its factorization.

56497284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5009 (or 5001 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 56497284 is about 7516.4675213826. The cubic root of 56497284 is about 383.7153652424.

The spelling of 56497284 in words is "fifty-six million, four hundred ninety-seven thousand, two hundred eighty-four".