54221698 has 4 divisors (see below), whose sum is σ = 81332550. Its totient is φ = 27110848.

The previous prime is 54221669. The next prime is 54221707. The reversal of 54221698 is 89612245.

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., 39652209 + 14569489 = 6297^2 + 3817^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13555423 + ... + 13555426.

Almost surely, 2^54221698 is an apocalyptic number.

54221698 is a deficient number, since it is larger than the sum of its proper divisors (27110852).

54221698 is a wasteful number, since it uses less digits than its factorization.

54221698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27110851.

The product of its digits is 34560, while the sum is 37.

The square root of 54221698 is about 7363.5384157347. The cubic root of 54221698 is about 378.4928716213.

The spelling of 54221698 in words is "fifty-four million, two hundred twenty-one thousand, six hundred ninety-eight".