54062639 has 4 divisors (see below), whose sum is σ = 54278280. Its totient is φ = 53847000.

The previous prime is 54062633. The next prime is 54062647. The reversal of 54062639 is 93626045.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54062639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54062599 and 54062608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54062633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107444 + ... + 107945.

It is an arithmetic number, because the mean of its divisors is an integer number (13569570).

Almost surely, 2^54062639 is an apocalyptic number.

54062639 is a deficient number, since it is larger than the sum of its proper divisors (215641).

54062639 is a wasteful number, since it uses less digits than its factorization.

54062639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215640.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 54062639 is about 7352.7300372039. The cubic root of 54062639 is about 378.1224070036.

The spelling of 54062639 in words is "fifty-four million, sixty-two thousand, six hundred thirty-nine".