54222813 has 24 divisors (see below), whose sum is σ = 81635840. Its totient is φ = 34642080.

The previous prime is 54222811. The next prime is 54222823. The reversal of 54222813 is 31822245.

It is not a de Polignac number, because 54222813 - 2¹ = 54222811 is a prime.

It is a super-2 number, since 2×54222813² = 5880226899265938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54222811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29520 + ... + 31302.

Almost surely, 2^54222813 is an apocalyptic number.

It is an amenable number.

54222813 is a deficient number, since it is larger than the sum of its proper divisors (27413027).

54222813 is a wasteful number, since it uses less digits than its factorization.

54222813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929 (or 1926 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 54222813 is about 7363.6141262290. The cubic root of 54222813 is about 378.4954660111.

The spelling of 54222813 in words is "fifty-four million, two hundred twenty-two thousand, eight hundred thirteen".