55211153 has 2 divisors, whose sum is σ = 55211154. Its totient is φ = 55211152.

The previous prime is 55211111. The next prime is 55211173. The reversal of 55211153 is 35111255.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55100929 + 110224 = 7423^2 + 332^2 .

It is a cyclic number.

It is not a de Polignac number, because 55211153 - 2⁶ = 55211089 is a prime.

It is not a weakly prime, because it can be changed into another prime (55211173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27605576 + 27605577.

It is an arithmetic number, because the mean of its divisors is an integer number (27605577).

Almost surely, 2^55211153 is an apocalyptic number.

It is an amenable number.

55211153 is a deficient number, since it is larger than the sum of its proper divisors (1).

55211153 is an equidigital number, since it uses as much as digits as its factorization.

55211153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 750, while the sum is 23.

The square root of 55211153 is about 7430.4207821630. The cubic root of 55211153 is about 380.7812941911.

The spelling of 55211153 in words is "fifty-five million, two hundred eleven thousand, one hundred fifty-three".