55562293 has 2 divisors, whose sum is σ = 55562294. Its totient is φ = 55562292.

The previous prime is 55562263. The next prime is 55562303. The reversal of 55562293 is 39226555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55383364 + 178929 = 7442^2 + 423^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55562293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55562233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27781146 + 27781147.

It is an arithmetic number, because the mean of its divisors is an integer number (27781147).

Almost surely, 2^55562293 is an apocalyptic number.

It is an amenable number.

55562293 is a deficient number, since it is larger than the sum of its proper divisors (1).

55562293 is an equidigital number, since it uses as much as digits as its factorization.

55562293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 37.

The square root of 55562293 is about 7454.0118728105. The cubic root of 55562293 is about 381.5868384582.

It can be divided in two parts, 55562 and 293, that added together give a palindrome (55855).

The spelling of 55562293 in words is "fifty-five million, five hundred sixty-two thousand, two hundred ninety-three".