54985567 has 8 divisors (see below), whose sum is σ = 67674656. Its totient is φ = 43504992.

The previous prime is 54985561. The next prime is 54985577. The reversal of 54985567 is 76558945.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54985567 - 2⁷ = 54985439 is a prime.

It is a super-2 number, since 2×54985567² = 6046825156622978, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54985567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54985561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302028 + ... + 302209.

It is an arithmetic number, because the mean of its divisors is an integer number (8459332).

Almost surely, 2^54985567 is an apocalyptic number.

54985567 is a deficient number, since it is larger than the sum of its proper divisors (12689089).

54985567 is a wasteful number, since it uses less digits than its factorization.

54985567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604257.

The product of its digits is 1512000, while the sum is 49.

The square root of 54985567 is about 7415.2253505878. The cubic root of 54985567 is about 380.2619777036.

The spelling of 54985567 in words is "fifty-four million, nine hundred eighty-five thousand, five hundred sixty-seven".