55290169539 has 16 divisors (see below), whose sum is σ = 89357850240. Its totient is φ = 33509193480.

The previous prime is 55290169463. The next prime is 55290169547. The reversal of 55290169539 is 93596109255.

It is a happy number.

55290169539 is a `hidden beast` number, since 5 + 5 + 2 + 90 + 16 + 9 + 539 = 666.

55290169539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55290169539 - 2⁹ = 55290169027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55290169579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93080797 + ... + 93081390.

It is an arithmetic number, because the mean of its divisors is an integer number (5584865640).

Almost surely, 2^55290169539 is an apocalyptic number.

55290169539 is a deficient number, since it is larger than the sum of its proper divisors (34067680701).

55290169539 is a wasteful number, since it uses less digits than its factorization.

55290169539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186162207 (or 186162201 counting only the distinct ones).

The product of its (nonzero) digits is 3280500, while the sum is 54.

The spelling of 55290169539 in words is "fifty-five billion, two hundred ninety million, one hundred sixty-nine thousand, five hundred thirty-nine".