55323637435531 has 4 divisors (see below), whose sum is σ = 55461601619064. Its totient is φ = 55185673252000.

The previous prime is 55323637435519. The next prime is 55323637435601. The reversal of 55323637435531 is 13553473632355.

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 55323637435531 - 2⁵ = 55323637435499 is a prime.

It is a super-2 number, since 2×55323637435531² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55323637435931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68982091165 + ... + 68982091966.

It is an arithmetic number, because the mean of its divisors is an integer number (13865400404766).

Almost surely, 2^{55323637435531} is an apocalyptic number.

55323637435531 is a deficient number, since it is larger than the sum of its proper divisors (137964183533).

55323637435531 is a wasteful number, since it uses less digits than its factorization.

55323637435531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137964183532.

The product of its digits is 51030000, while the sum is 55.

The spelling of 55323637435531 in words is "fifty-five trillion, three hundred twenty-three billion, six hundred thirty-seven million, four hundred thirty-five thousand, five hundred thirty-one".