55992623 has 2 divisors, whose sum is σ = 55992624. Its totient is φ = 55992622.

The previous prime is 55992613. The next prime is 55992641. The reversal of 55992623 is 32629955.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55992623 - 2¹⁰ = 55991599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55992613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27996311 + 27996312.

It is an arithmetic number, because the mean of its divisors is an integer number (27996312).

Almost surely, 2^55992623 is an apocalyptic number.

55992623 is a deficient number, since it is larger than the sum of its proper divisors (1).

55992623 is an equidigital number, since it uses as much as digits as its factorization.

55992623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 41.

The square root of 55992623 is about 7482.8218607688. The cubic root of 55992623 is about 382.5694361818.

The spelling of 55992623 in words is "fifty-five million, nine hundred ninety-two thousand, six hundred twenty-three".