55470523 has 2 divisors, whose sum is σ = 55470524. Its totient is φ = 55470522.

The previous prime is 55470521. The next prime is 55470551. The reversal of 55470523 is 32507455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55470523 - 2¹ = 55470521 is a prime.

Together with 55470521, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55470521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27735261 + 27735262.

It is an arithmetic number, because the mean of its divisors is an integer number (27735262).

Almost surely, 2^55470523 is an apocalyptic number.

55470523 is a deficient number, since it is larger than the sum of its proper divisors (1).

55470523 is an equidigital number, since it uses as much as digits as its factorization.

55470523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 55470523 is about 7447.8535834158. The cubic root of 55470523 is about 381.3766388223.

Adding to 55470523 its reverse (32507455), we get a palindrome (87977978).

The spelling of 55470523 in words is "fifty-five million, four hundred seventy thousand, five hundred twenty-three".