55702221249969 has 12 divisors (see below), whose sum is σ = 91952873174656. Its totient is φ = 31829840714232.

The previous prime is 55702221249967. The next prime is 55702221249973. The reversal of 55702221249969 is 96994212220755.

55702221249969 is a `hidden beast` number, since 5 + 5 + 70 + 2 + 2 + 2 + 12 + 499 + 69 = 666.

It is not a de Polignac number, because 55702221249969 - 2¹ = 55702221249967 is a prime.

It is a super-2 number, since 2×55702221249969² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 884162242063 = 55702221249969 / (5 + 5 + 7 + 0 + 2 + 2 + 2 + 1 + 2 + 4 + 9 + 9 + 6 + 9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55702221249967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442081120969 + ... + 442081121094.

Almost surely, 2^{55702221249969} is an apocalyptic number.

It is an amenable number.

55702221249969 is a deficient number, since it is larger than the sum of its proper divisors (36250651924687).

55702221249969 is a wasteful number, since it uses less digits than its factorization.

55702221249969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884162242076 (or 884162242073 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 63.

The spelling of 55702221249969 in words is "fifty-five trillion, seven hundred two billion, two hundred twenty-one million, two hundred forty-nine thousand, nine hundred sixty-nine".