54442693 has 2 divisors, whose sum is σ = 54442694. Its totient is φ = 54442692.

The previous prime is 54442673. The next prime is 54442747. The reversal of 54442693 is 39624445.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45400644 + 9042049 = 6738^2 + 3007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54442693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54442643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27221346 + 27221347.

It is an arithmetic number, because the mean of its divisors is an integer number (27221347).

Almost surely, 2^54442693 is an apocalyptic number.

It is an amenable number.

54442693 is a deficient number, since it is larger than the sum of its proper divisors (1).

54442693 is an equidigital number, since it uses as much as digits as its factorization.

54442693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 37.

The square root of 54442693 is about 7378.5291894794. The cubic root of 54442693 is about 379.0063908252.

The spelling of 54442693 in words is "fifty-four million, four hundred forty-two thousand, six hundred ninety-three".