55153242323 has 4 divisors (see below), whose sum is σ = 55156444560. Its totient is φ = 55150040088.

The previous prime is 55153242317. The next prime is 55153242329. The reversal of 55153242323 is 32324235155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32324235155 = 5 ⋅6464847031.

It is an interprime number because it is at equal distance from previous prime (55153242317) and next prime (55153242329).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55153242323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55153242329) 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, 1575143 + ... + 1609776.

It is an arithmetic number, because the mean of its divisors is an integer number (13789111140).

Almost surely, 2^55153242323 is an apocalyptic number.

55153242323 is a deficient number, since it is larger than the sum of its proper divisors (3202237).

55153242323 is a wasteful number, since it uses less digits than its factorization.

55153242323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202236.

The product of its digits is 108000, while the sum is 35.

Adding to 55153242323 its reverse (32324235155), we get a palindrome (87477477478).

The spelling of 55153242323 in words is "fifty-five billion, one hundred fifty-three million, two hundred forty-two thousand, three hundred twenty-three".