55472023 has 2 divisors, whose sum is σ = 55472024. Its totient is φ = 55472022.

The previous prime is 55471993. The next prime is 55472029. The reversal of 55472023 is 32027455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55472023 - 2¹⁷ = 55340951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55471982 and 55472000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55472029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27736011 + 27736012.

It is an arithmetic number, because the mean of its divisors is an integer number (27736012).

Almost surely, 2^55472023 is an apocalyptic number.

55472023 is a deficient number, since it is larger than the sum of its proper divisors (1).

55472023 is an equidigital number, since it uses as much as digits as its factorization.

55472023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 55472023 is about 7447.9542828887. The cubic root of 55472023 is about 381.3800764427.

Adding to 55472023 its reverse (32027455), we get a palindrome (87499478).

The spelling of 55472023 in words is "fifty-five million, four hundred seventy-two thousand, twenty-three".