54897284 has 54 divisors (see below), whose sum is σ = 110901294. Its totient is φ = 23761920.

The previous prime is 54897281. The next prime is 54897287. The reversal of 54897284 is 48279845.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54897281) and next prime (54897287).

It can be written as a sum of positive squares in 9 ways, for example, as 8248384 + 46648900 = 2872^2 + 6830^2 .

It is a super-3 number, since 3×54897284³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (54897281) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 195224 + ... + 195504.

Almost surely, 2^54897284 is an apocalyptic number.

It is an amenable number.

54897284 is an abundant number, since it is smaller than the sum of its proper divisors (56004010).

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

54897284 is a wasteful number, since it uses less digits than its factorization.

54897284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 313 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 54897284 is about 7409.2701394942. The cubic root of 54897284 is about 380.0583566887.

The spelling of 54897284 in words is "fifty-four million, eight hundred ninety-seven thousand, two hundred eighty-four".