55135523153 has 6 divisors (see below), whose sum is σ = 56971462482. Its totient is φ = 53356956960.

The previous prime is 55135523099. The next prime is 55135523161. The reversal of 55135523153 is 35132553155.

It can be written as a sum of positive squares in only one way, i.e., 53869017409 + 1266505744 = 232097^2 + 35588^2 .

It is a de Polignac number, because none of the positive numbers 2^k-55135523153 is a prime.

It is a super-2 number, since 2×55135523153² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55135526153) 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 5 ways as a sum of consecutive naturals, for example, 28685576 + ... + 28687497.

It is an arithmetic number, because the mean of its divisors is an integer number (9495243747).

Almost surely, 2^55135523153 is an apocalyptic number.

It is an amenable number.

55135523153 is a deficient number, since it is larger than the sum of its proper divisors (1835939329).

55135523153 is an equidigital number, since it uses as much as digits as its factorization.

55135523153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57373135 (or 57373104 counting only the distinct ones).

The product of its digits is 168750, while the sum is 38.

The spelling of 55135523153 in words is "fifty-five billion, one hundred thirty-five million, five hundred twenty-three thousand, one hundred fifty-three".