55631153 has 2 divisors, whose sum is σ = 55631154. Its totient is φ = 55631152.

The previous prime is 55631111. The next prime is 55631161. The reversal of 55631153 is 35113655.

55631153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44528929 + 11102224 = 6673^2 + 3332^2 .

It is a cyclic number.

It is not a de Polignac number, because 55631153 - 2¹² = 55627057 is a prime.

It is not a weakly prime, because it can be changed into another prime (55631053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27815576 + 27815577.

It is an arithmetic number, because the mean of its divisors is an integer number (27815577).

Almost surely, 2^55631153 is an apocalyptic number.

It is an amenable number.

55631153 is a deficient number, since it is larger than the sum of its proper divisors (1).

55631153 is an equidigital number, since it uses as much as digits as its factorization.

55631153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6750, while the sum is 29.

The square root of 55631153 is about 7458.6294317388. The cubic root of 55631153 is about 381.7444106823.

The spelling of 55631153 in words is "fifty-five million, six hundred thirty-one thousand, one hundred fifty-three".