55232235481 has 2 divisors, whose sum is σ = 55232235482. Its totient is φ = 55232235480.

The previous prime is 55232235419. The next prime is 55232235523. The reversal of 55232235481 is 18453223255.

55232235481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31173433600 + 24058801881 = 176560^2 + 155109^2 .

It is a cyclic number.

It is not a de Polignac number, because 55232235481 - 2⁷ = 55232235353 is a prime.

It is a super-2 number, since 2×55232235481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55232232481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27616117740 + 27616117741.

It is an arithmetic number, because the mean of its divisors is an integer number (27616117741).

Almost surely, 2^55232235481 is an apocalyptic number.

It is an amenable number.

55232235481 is a deficient number, since it is larger than the sum of its proper divisors (1).

55232235481 is an equidigital number, since it uses as much as digits as its factorization.

55232235481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288000, while the sum is 40.

The spelling of 55232235481 in words is "fifty-five billion, two hundred thirty-two million, two hundred thirty-five thousand, four hundred eighty-one".