55052161439 has 8 divisors (see below), whose sum is σ = 63217793280. Its totient is φ = 47413344600.

The previous prime is 55052161421. The next prime is 55052161453. The reversal of 55052161439 is 93416125055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55052161439 - 2⁸ = 55052161183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55052161396 and 55052161405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55052161469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131703527 + ... + 131703944.

It is an arithmetic number, because the mean of its divisors is an integer number (7902224160).

Almost surely, 2^55052161439 is an apocalyptic number.

55052161439 is a deficient number, since it is larger than the sum of its proper divisors (8165631841).

55052161439 is a wasteful number, since it uses less digits than its factorization.

55052161439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263407501.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 55052161439 in words is "fifty-five billion, fifty-two million, one hundred sixty-one thousand, four hundred thirty-nine".