55653440120003 has 8 divisors (see below), whose sum is σ = 60717736562160. Its totient is φ = 50589959143680.

The previous prime is 55653440119967. The next prime is 55653440120023. The reversal of 55653440120003 is 30002104435655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55653440120003 - 2²² = 55653435925699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55653440120023) 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, 203723750 + ... + 203996747.

It is an arithmetic number, because the mean of its divisors is an integer number (7589717070270).

Almost surely, 2^{55653440120003} is an apocalyptic number.

55653440120003 is a deficient number, since it is larger than the sum of its proper divisors (5064296442157).

55653440120003 is a wasteful number, since it uses less digits than its factorization.

55653440120003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407732917.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 55653440120003 its reverse (30002104435655), we get a palindrome (85655544555658).

The spelling of 55653440120003 in words is "fifty-five trillion, six hundred fifty-three billion, four hundred forty million, one hundred twenty thousand, three".