55794493 has 4 divisors (see below), whose sum is σ = 59076540. Its totient is φ = 52512448.

The previous prime is 55794491. The next prime is 55794511. The reversal of 55794493 is 39449755.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51308569 + 4485924 = 7163^2 + 2118^2 .

It is a cyclic number.

It is not a de Polignac number, because 55794493 - 2¹ = 55794491 is a prime.

It is a super-2 number, since 2×55794493² = 6226050898254098, 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 (55794491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1640998 + ... + 1641031.

It is an arithmetic number, because the mean of its divisors is an integer number (14769135).

Almost surely, 2^55794493 is an apocalyptic number.

It is an amenable number.

55794493 is a deficient number, since it is larger than the sum of its proper divisors (3282047).

55794493 is a wasteful number, since it uses less digits than its factorization.

55794493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282046.

The product of its digits is 680400, while the sum is 46.

The square root of 55794493 is about 7469.5711389611. The cubic root of 55794493 is about 382.1176620084.

The spelling of 55794493 in words is "fifty-five million, seven hundred ninety-four thousand, four hundred ninety-three".