54073638 has 12 divisors (see below), whose sum is σ = 117159588. Its totient is φ = 18024540.

The previous prime is 54073637. The next prime is 54073693. The reversal of 54073638 is 83637045.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54073631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1502028 + ... + 1502063.

It is an arithmetic number, because the mean of its divisors is an integer number (9763299).

Almost surely, 2^54073638 is an apocalyptic number.

54073638 is an abundant number, since it is smaller than the sum of its proper divisors (63085950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54073638 is a wasteful number, since it uses less digits than its factorization.

54073638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004099 (or 3004096 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 54073638 is about 7353.4779526425. The cubic root of 54073638 is about 378.1480481637.

It can be divided in two parts, 5407 and 3638, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 54073638 in words is "fifty-four million, seventy-three thousand, six hundred thirty-eight".