54033638 has 4 divisors (see below), whose sum is σ = 81050460. Its totient is φ = 27016818.

The previous prime is 54033619. The next prime is 54033643. The reversal of 54033638 is 83633045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83633045 = 5 ⋅16726609.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13508408 + ... + 13508411.

It is an arithmetic number, because the mean of its divisors is an integer number (20262615).

Almost surely, 2^54033638 is an apocalyptic number.

54033638 is a deficient number, since it is larger than the sum of its proper divisors (27016822).

54033638 is a wasteful number, since it uses less digits than its factorization.

54033638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27016821.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 54033638 is about 7350.7576480251. The cubic root of 54033638 is about 378.0547824262.

The spelling of 54033638 in words is "fifty-four million, thirty-three thousand, six hundred thirty-eight".