55654886021547 has 8 divisors (see below), whose sum is σ = 76765360029840. Its totient is φ = 35823834680480.

The previous prime is 55654886021543. The next prime is 55654886021563. The reversal of 55654886021547 is 74512068845655.

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 55654886021547 - 2² = 55654886021543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55654886021543) 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, 319855666704 + ... + 319855666877.

It is an arithmetic number, because the mean of its divisors is an integer number (9595670003730).

Almost surely, 2^{55654886021547} is an apocalyptic number.

55654886021547 is a deficient number, since it is larger than the sum of its proper divisors (21110474008293).

55654886021547 is a wasteful number, since it uses less digits than its factorization.

55654886021547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639711333613.

The product of its (nonzero) digits is 322560000, while the sum is 66.

The spelling of 55654886021547 in words is "fifty-five trillion, six hundred fifty-four billion, eight hundred eighty-six million, twenty-one thousand, five hundred forty-seven".