54639222 has 16 divisors (see below), whose sum is σ = 119212992. Its totient is φ = 16557320.

The previous prime is 54639217. The next prime is 54639253. The reversal of 54639222 is 22293645.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413868 + ... + 413999.

It is an arithmetic number, because the mean of its divisors is an integer number (7450812).

Almost surely, 2^54639222 is an apocalyptic number.

54639222 is an abundant number, since it is smaller than the sum of its proper divisors (64573770).

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

54639222 is a wasteful number, since it uses less digits than its factorization.

54639222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827883.

The product of its digits is 25920, while the sum is 33.

The square root of 54639222 is about 7391.8348195830. The cubic root of 54639222 is about 379.4618930250.

The spelling of 54639222 in words is "fifty-four million, six hundred thirty-nine thousand, two hundred twenty-two".