54959618 has 16 divisors (see below), whose sum is σ = 95190144. Its totient is φ = 23310720.

The previous prime is 54959599. The next prime is 54959687. The reversal of 54959618 is 81695945.

It is a happy number.

It is a super-2 number, since 2×54959618² = 6041119221411848, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 18878 + ... + 21593.

It is an arithmetic number, because the mean of its divisors is an integer number (5949384).

Almost surely, 2^54959618 is an apocalyptic number.

54959618 is a deficient number, since it is larger than the sum of its proper divisors (40230526).

54959618 is a wasteful number, since it uses less digits than its factorization.

54959618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40577.

The product of its digits is 388800, while the sum is 47.

The square root of 54959618 is about 7413.4754332904. The cubic root of 54959618 is about 380.2021500601.

The spelling of 54959618 in words is "fifty-four million, nine hundred fifty-nine thousand, six hundred eighteen".