54549986 has 16 divisors (see below), whose sum is σ = 86451840. Its totient is φ = 25772880.

The previous prime is 54549983. The next prime is 54550003. The reversal of 54549986 is 68994545.

It is a super-3 number, since 3×54549986³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54549983) 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, 7280 + ... + 12731.

It is an arithmetic number, because the mean of its divisors is an integer number (5403240).

Almost surely, 2^54549986 is an apocalyptic number.

54549986 is a deficient number, since it is larger than the sum of its proper divisors (31901854).

54549986 is a wasteful number, since it uses less digits than its factorization.

54549986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20089.

The product of its digits is 1555200, while the sum is 50.

The square root of 54549986 is about 7385.7962333116. The cubic root of 54549986 is about 379.2552032082.

The spelling of 54549986 in words is "fifty-four million, five hundred forty-nine thousand, nine hundred eighty-six".