54561722 has 4 divisors (see below), whose sum is σ = 81842586. Its totient is φ = 27280860.

The previous prime is 54561719. The next prime is 54561743. The reversal of 54561722 is 22716545.

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

It can be written as a sum of positive squares in only one way, i.e., 51998521 + 2563201 = 7211^2 + 1601^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13640429 + ... + 13640432.

Almost surely, 2^54561722 is an apocalyptic number.

54561722 is a deficient number, since it is larger than the sum of its proper divisors (27280864).

54561722 is a wasteful number, since it uses less digits than its factorization.

54561722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27280863.

The product of its digits is 16800, while the sum is 32.

The square root of 54561722 is about 7386.5906885383. The cubic root of 54561722 is about 379.2823991816.

The spelling of 54561722 in words is "fifty-four million, five hundred sixty-one thousand, seven hundred twenty-two".