55602023 has 2 divisors, whose sum is σ = 55602024. Its totient is φ = 55602022.

The previous prime is 55602011. The next prime is 55602067. The reversal of 55602023 is 32020655.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55602023 - 2⁴ = 55602007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55602023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55602923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27801011 + 27801012.

It is an arithmetic number, because the mean of its divisors is an integer number (27801012).

Almost surely, 2^55602023 is an apocalyptic number.

55602023 is a deficient number, since it is larger than the sum of its proper divisors (1).

55602023 is an equidigital number, since it uses as much as digits as its factorization.

55602023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 55602023 is about 7456.6764044043. The cubic root of 55602023 is about 381.6777684288.

Adding to 55602023 its reverse (32020655), we get a palindrome (87622678).

The spelling of 55602023 in words is "fifty-five million, six hundred two thousand, twenty-three".