53988622 has 4 divisors (see below), whose sum is σ = 80982936. Its totient is φ = 26994310.

The previous prime is 53988611. The next prime is 53988631. The reversal of 53988622 is 22688935.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22688935 = 5 ⋅4537787.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13497154 + ... + 13497157.

It is an arithmetic number, because the mean of its divisors is an integer number (20245734).

Almost surely, 2^53988622 is an apocalyptic number.

53988622 is a deficient number, since it is larger than the sum of its proper divisors (26994314).

53988622 is a wasteful number, since it uses less digits than its factorization.

53988622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26994313.

The product of its digits is 207360, while the sum is 43.

The square root of 53988622 is about 7347.6950127234. The cubic root of 53988622 is about 377.9497661006.

The spelling of 53988622 in words is "fifty-three million, nine hundred eighty-eight thousand, six hundred twenty-two".