55381702269 has 8 divisors (see below), whose sum is σ = 73844371872. Its totient is φ = 36920083760.

The previous prime is 55381702261. The next prime is 55381702279. The reversal of 55381702269 is 96220718355.

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 55381702269 - 2³ = 55381702261 is a prime.

It is a super-2 number, since 2×55381702269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55381702261) 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 7 ways as a sum of consecutive naturals, for example, 130287 + ... + 357404.

It is an arithmetic number, because the mean of its divisors is an integer number (9230546484).

Almost surely, 2^55381702269 is an apocalyptic number.

It is an amenable number.

55381702269 is a deficient number, since it is larger than the sum of its proper divisors (18462669603).

55381702269 is a wasteful number, since it uses less digits than its factorization.

55381702269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525547.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 55381702269 in words is "fifty-five billion, three hundred eighty-one million, seven hundred two thousand, two hundred sixty-nine".