55120533153 has 16 divisors (see below), whose sum is σ = 84824812416. Its totient is φ = 31185590400.

The previous prime is 55120533133. The next prime is 55120533157. The reversal of 55120533153 is 35133502155.

It is a happy number.

It is not a de Polignac number, because 55120533153 - 2¹³ = 55120524961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55120533157) 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 in 15 ways as a sum of consecutive naturals, for example, 12991876 + ... + 12996117.

It is an arithmetic number, because the mean of its divisors is an integer number (5301550776).

Almost surely, 2^55120533153 is an apocalyptic number.

It is an amenable number.

55120533153 is a deficient number, since it is larger than the sum of its proper divisors (29704279263).

55120533153 is a wasteful number, since it uses less digits than its factorization.

55120533153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25988104.

The product of its (nonzero) digits is 33750, while the sum is 33.

The spelling of 55120533153 in words is "fifty-five billion, one hundred twenty million, five hundred thirty-three thousand, one hundred fifty-three".