55101130523 has 4 divisors (see below), whose sum is σ = 55101902280. Its totient is φ = 55100358768.

The previous prime is 55101130493. The next prime is 55101130549. The reversal of 55101130523 is 32503110155.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55101130523 - 2⁶ = 55101130459 is a prime.

It is a super-2 number, since 2×55101130523² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55101130492 and 55101130501.

It is not an unprimeable number, because it can be changed into a prime (55101130223) 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, 266465 + ... + 425682.

It is an arithmetic number, because the mean of its divisors is an integer number (13775475570).

Almost surely, 2^55101130523 is an apocalyptic number.

55101130523 is a deficient number, since it is larger than the sum of its proper divisors (771757).

55101130523 is an equidigital number, since it uses as much as digits as its factorization.

55101130523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771756.

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 55101130523 its reverse (32503110155), we get a palindrome (87604240678).

The spelling of 55101130523 in words is "fifty-five billion, one hundred one million, one hundred thirty thousand, five hundred twenty-three".