55033225523 has 4 divisors (see below), whose sum is σ = 55040611080. Its totient is φ = 55025839968.

The previous prime is 55033225487. The next prime is 55033225529. The reversal of 55033225523 is 32552233055.

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 55033225523 - 2¹⁸ = 55032963379 is a prime.

It is a super-2 number, since 2×55033225523² (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 (55033225529) 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, 3681590 + ... + 3696507.

It is an arithmetic number, because the mean of its divisors is an integer number (13760152770).

Almost surely, 2^55033225523 is an apocalyptic number.

55033225523 is a deficient number, since it is larger than the sum of its proper divisors (7385557).

55033225523 is an equidigital number, since it uses as much as digits as its factorization.

55033225523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7385556.

The product of its (nonzero) digits is 135000, while the sum is 35.

Adding to 55033225523 its reverse (32552233055), we get a palindrome (87585458578).

The spelling of 55033225523 in words is "fifty-five billion, thirty-three million, two hundred twenty-five thousand, five hundred twenty-three".