56667284 has 6 divisors (see below), whose sum is σ = 99167754. Its totient is φ = 28333640.

The previous prime is 56667277. The next prime is 56667293. The reversal of 56667284 is 48276665.

It can be written as a sum of positive squares in only one way, i.e., 43850884 + 12816400 = 6622^2 + 3580^2 .

It is a super-2 number, since 2×56667284² = 6422362151873312, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 7083407 + ... + 7083414.

It is an arithmetic number, because the mean of its divisors is an integer number (16527959).

Almost surely, 2^56667284 is an apocalyptic number.

It is an amenable number.

56667284 is a deficient number, since it is larger than the sum of its proper divisors (42500470).

56667284 is a wasteful number, since it uses less digits than its factorization.

56667284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14166825 (or 14166823 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 56667284 is about 7527.7675309483. The cubic root of 56667284 is about 384.0998456365.

The spelling of 56667284 in words is "fifty-six million, six hundred sixty-seven thousand, two hundred eighty-four".