54244539 has 16 divisors (see below), whose sum is σ = 80678400. Its totient is φ = 36020808.

The previous prime is 54244537. The next prime is 54244549. The reversal of 54244539 is 93544245.

It is a happy number.

It is not a de Polignac number, because 54244539 - 2¹ = 54244537 is a prime.

It is a super-2 number, since 2×54244539² = 5884940022645042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54244537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3282 + ... + 10920.

It is an arithmetic number, because the mean of its divisors is an integer number (5042400).

Almost surely, 2^54244539 is an apocalyptic number.

54244539 is a deficient number, since it is larger than the sum of its proper divisors (26433861).

54244539 is a wasteful number, since it uses less digits than its factorization.

54244539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7911 (or 7905 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 54244539 is about 7365.0892051624. The cubic root of 54244539 is about 378.5460111230.

The spelling of 54244539 in words is "fifty-four million, two hundred forty-four thousand, five hundred thirty-nine".