54721622 has 8 divisors (see below), whose sum is σ = 82261872. Its totient is φ = 27301000.

The previous prime is 54721613. The next prime is 54721649. The reversal of 54721622 is 22612745.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28754 + ... + 30597.

It is an arithmetic number, because the mean of its divisors is an integer number (10282734).

Almost surely, 2^54721622 is an apocalyptic number.

54721622 is a deficient number, since it is larger than the sum of its proper divisors (27540250).

54721622 is a wasteful number, since it uses less digits than its factorization.

54721622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59814.

The product of its digits is 6720, while the sum is 29.

The square root of 54721622 is about 7397.4064373941. The cubic root of 54721622 is about 379.6525494437.

The spelling of 54721622 in words is "fifty-four million, seven hundred twenty-one thousand, six hundred twenty-two".