55152697 has 2 divisors, whose sum is σ = 55152698. Its totient is φ = 55152696.

The previous prime is 55152679. The next prime is 55152719. The reversal of 55152697 is 79625155.

Together with previous prime (55152679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51998521 + 3154176 = 7211^2 + 1776^2 .

It is a cyclic number.

It is not a de Polignac number, because 55152697 - 2⁷ = 55152569 is a prime.

It is not a weakly prime, because it can be changed into another prime (55152637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27576348 + 27576349.

It is an arithmetic number, because the mean of its divisors is an integer number (27576349).

Almost surely, 2^55152697 is an apocalyptic number.

It is an amenable number.

55152697 is a deficient number, since it is larger than the sum of its proper divisors (1).

55152697 is an equidigital number, since it uses as much as digits as its factorization.

55152697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94500, while the sum is 40.

The square root of 55152697 is about 7426.4861812300. The cubic root of 55152697 is about 380.6468599300.

The spelling of 55152697 in words is "fifty-five million, one hundred fifty-two thousand, six hundred ninety-seven".