54210623 has 2 divisors, whose sum is σ = 54210624.
Its totient is φ = 54210622.
The previous prime is 54210617. The next prime is 54210641. The reversal of 54210623 is 32601245.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 54210623 - 212 = 54206527 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (54210643) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27105311 + 27105312.
It is an arithmetic number, because the mean of its divisors is an integer number (27105312).
Almost surely, 254210623 is an apocalyptic number.
54210623 is a deficient number, since it is larger than the sum of its proper divisors (1).
54210623 is an equidigital number, since it uses as much as digits as its factorization.
54210623 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 54210623 is about 7362.7863611543.
The cubic root of 54210623 is about 378.4671003026.
Adding to 54210623 its reverse (32601245), we get a palindrome (86811868).
The spelling of 54210623 in words is "fifty-four million, two hundred ten thousand, six hundred twenty-three".