55435155145331 has 24 divisors (see below), whose sum is σ = 60676728768576. Its totient is φ = 50618319398400.

The previous prime is 55435155145297. The next prime is 55435155145361. The reversal of 55435155145331 is 13354155153455.

It is not a de Polignac number, because 55435155145331 - 2²⁶ = 55435088036467 is a prime.

It is a super-2 number, since 2×55435155145331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55435155145331.

It is not an unprimeable number, because it can be changed into a prime (55435155145361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17354891 + ... + 20299323.

It is an arithmetic number, because the mean of its divisors is an integer number (2528197032024).

Almost surely, 2^{55435155145331} is an apocalyptic number.

55435155145331 is a deficient number, since it is larger than the sum of its proper divisors (5241573623245).

55435155145331 is a wasteful number, since it uses less digits than its factorization.

55435155145331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945663 (or 2945650 counting only the distinct ones).

The product of its digits is 6750000, while the sum is 50.

The spelling of 55435155145331 in words is "fifty-five trillion, four hundred thirty-five billion, one hundred fifty-five million, one hundred forty-five thousand, three hundred thirty-one".