55969801353 has 24 divisors (see below), whose sum is σ = 83617347840. Its totient is φ = 36038515680.

The previous prime is 55969801351. The next prime is 55969801367. The reversal of 55969801353 is 35310896955.

It is a happy number.

55969801353 is a `hidden beast` number, since 559 + 6 + 9 + 80 + 1 + 3 + 5 + 3 = 666.

It is not a de Polignac number, because 55969801353 - 2¹ = 55969801351 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55969801353.

It is not an unprimeable number, because it can be changed into a prime (55969801351) 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, 55051 + ... + 339072.

It is an arithmetic number, because the mean of its divisors is an integer number (3484056160).

Almost surely, 2^55969801353 is an apocalyptic number.

It is an amenable number.

55969801353 is a deficient number, since it is larger than the sum of its proper divisors (27647546487).

55969801353 is a wasteful number, since it uses less digits than its factorization.

55969801353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394669 (or 394666 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 54.

The spelling of 55969801353 in words is "fifty-five billion, nine hundred sixty-nine million, eight hundred one thousand, three hundred fifty-three".