5553617953261 has 8 divisors (see below), whose sum is σ = 6501796628544. Its totient is φ = 4644140448480.

The previous prime is 5553617953259. The next prime is 5553617953267. The reversal of 5553617953261 is 1623597163555.

It is a happy number.

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 5553617953261 - 2¹ = 5553617953259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5553617953196 and 5553617953205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5553617953267) 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, 9675292315 + ... + 9675292888.

It is an arithmetic number, because the mean of its divisors is an integer number (812724578568).

Almost surely, 2^{5553617953261} is an apocalyptic number.

It is an amenable number.

5553617953261 is a deficient number, since it is larger than the sum of its proper divisors (948178675283).

5553617953261 is a wasteful number, since it uses less digits than its factorization.

5553617953261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19350585251.

The product of its digits is 25515000, while the sum is 58.

The spelling of 5553617953261 in words is "five trillion, five hundred fifty-three billion, six hundred seventeen million, nine hundred fifty-three thousand, two hundred sixty-one".