55788793 has 2 divisors, whose sum is σ = 55788794. Its totient is φ = 55788792.

The previous prime is 55788791. The next prime is 55788797. The reversal of 55788793 is 39788755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31945104 + 23843689 = 5652^2 + 4883^2 .

It is a cyclic number.

It is not a de Polignac number, because 55788793 - 2¹ = 55788791 is a prime.

It is a super-2 number, since 2×55788793² = 6224778848793698, which contains 22 as substring.

Together with 55788791, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55788793.

It is not a weakly prime, because it can be changed into another prime (55788791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27894396 + 27894397.

It is an arithmetic number, because the mean of its divisors is an integer number (27894397).

Almost surely, 2^55788793 is an apocalyptic number.

It is an amenable number.

55788793 is a deficient number, since it is larger than the sum of its proper divisors (1).

55788793 is an equidigital number, since it uses as much as digits as its factorization.

55788793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2116800, while the sum is 52.

The square root of 55788793 is about 7469.1895812063. The cubic root of 55788793 is about 382.1046491062.

The spelling of 55788793 in words is "fifty-five million, seven hundred eighty-eight thousand, seven hundred ninety-three".