54722690 has 16 divisors (see below), whose sum is σ = 107455680. Its totient is φ = 19899120.

The previous prime is 54722683. The next prime is 54722699. The reversal of 54722690 is 9622745.

It is a super-2 number, since 2×54722690² = 5989145601672200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54722690.

It is not an unprimeable number, because it can be changed into a prime (54722699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248630 + ... + 248849.

It is an arithmetic number, because the mean of its divisors is an integer number (6715980).

Almost surely, 2^54722690 is an apocalyptic number.

54722690 is a deficient number, since it is larger than the sum of its proper divisors (52732990).

54722690 is a wasteful number, since it uses less digits than its factorization.

54722690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497497.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 54722690 is about 7397.4786245044. The cubic root of 54722690 is about 379.6550193161.

The spelling of 54722690 in words is "fifty-four million, seven hundred twenty-two thousand, six hundred ninety".