55541663 has 4 divisors (see below), whose sum is σ = 55566048. Its totient is φ = 55517280.

The previous prime is 55541653. The next prime is 55541671. The reversal of 55541663 is 36614555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36614555 = 5 ⋅7322911.

It is a cyclic number.

It is not a de Polignac number, because 55541663 - 2⁶ = 55541599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55541623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8378 + ... + 13463.

It is an arithmetic number, because the mean of its divisors is an integer number (13891512).

Almost surely, 2^55541663 is an apocalyptic number.

55541663 is a deficient number, since it is larger than the sum of its proper divisors (24385).

55541663 is a wasteful number, since it uses less digits than its factorization.

55541663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24384.

The product of its digits is 54000, while the sum is 35.

The square root of 55541663 is about 7452.6279257722. The cubic root of 55541663 is about 381.5396055205.

The spelling of 55541663 in words is "fifty-five million, five hundred forty-one thousand, six hundred sixty-three".