54101639 has 4 divisors (see below), whose sum is σ = 54460080. Its totient is φ = 53743200.

The previous prime is 54101609. The next prime is 54101647. The reversal of 54101639 is 93610145.

54101639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54101639 - 2¹² = 54097543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54101609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178994 + ... + 179295.

It is an arithmetic number, because the mean of its divisors is an integer number (13615020).

Almost surely, 2^54101639 is an apocalyptic number.

54101639 is a deficient number, since it is larger than the sum of its proper divisors (358441).

54101639 is a wasteful number, since it uses less digits than its factorization.

54101639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358440.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 54101639 is about 7355.3816352382. The cubic root of 54101639 is about 378.2133091468.

The spelling of 54101639 in words is "fifty-four million, one hundred one thousand, six hundred thirty-nine".