54639334 has 4 divisors (see below), whose sum is σ = 81959004. Its totient is φ = 27319666.

The previous prime is 54639331. The next prime is 54639349. The reversal of 54639334 is 43393645.

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

It is a junction number, because it is equal to n+sod(n) for n = 54639293 and 54639302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54639331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13659832 + ... + 13659835.

It is an arithmetic number, because the mean of its divisors is an integer number (20489751).

Almost surely, 2^54639334 is an apocalyptic number.

54639334 is a deficient number, since it is larger than the sum of its proper divisors (27319670).

54639334 is a wasteful number, since it uses less digits than its factorization.

54639334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27319669.

The product of its digits is 116640, while the sum is 37.

The square root of 54639334 is about 7391.8423955060. The cubic root of 54639334 is about 379.4621522997.

The spelling of 54639334 in words is "fifty-four million, six hundred thirty-nine thousand, three hundred thirty-four".