54620896619 has 4 divisors (see below), whose sum is σ = 55183998744. Its totient is φ = 54057794496.

The previous prime is 54620896591. The next prime is 54620896669. The reversal of 54620896619 is 91669802645.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54620896619 is a prime.

It is a super-2 number, since 2×54620896619² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54620896669) 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, 281550917 + ... + 281551110.

It is an arithmetic number, because the mean of its divisors is an integer number (13795999686).

Almost surely, 2^54620896619 is an apocalyptic number.

54620896619 is a deficient number, since it is larger than the sum of its proper divisors (563102125).

54620896619 is an equidigital number, since it uses as much as digits as its factorization.

54620896619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563102124.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 54620896619 in words is "fifty-four billion, six hundred twenty million, eight hundred ninety-six thousand, six hundred nineteen".