55066153 has 4 divisors (see below), whose sum is σ = 55232848. Its totient is φ = 54899460.

The previous prime is 55066139. The next prime is 55066171. The reversal of 55066153 is 35166055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55066153 - 2²¹ = 52969001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55066133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82851 + ... + 83512.

It is an arithmetic number, because the mean of its divisors is an integer number (13808212).

Almost surely, 2^55066153 is an apocalyptic number.

It is an amenable number.

55066153 is a deficient number, since it is larger than the sum of its proper divisors (166695).

55066153 is a wasteful number, since it uses less digits than its factorization.

55066153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166694.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 55066153 is about 7420.6571811397. The cubic root of 55066153 is about 380.4476557231.

The spelling of 55066153 in words is "fifty-five million, sixty-six thousand, one hundred fifty-three".