54635005021 has 4 divisors (see below), whose sum is σ = 54640429344. Its totient is φ = 54629580700.

The previous prime is 54635004997. The next prime is 54635005037. The reversal of 54635005021 is 12050053645.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54635005021 - 2⁵ = 54635004989 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54635005121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2697025 + ... + 2717206.

It is an arithmetic number, because the mean of its divisors is an integer number (13660107336).

Almost surely, 2^54635005021 is an apocalyptic number.

It is an amenable number.

54635005021 is a deficient number, since it is larger than the sum of its proper divisors (5424323).

54635005021 is a wasteful number, since it uses less digits than its factorization.

54635005021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5424322.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 54635005021 its reverse (12050053645), we get a palindrome (66685058666).

The spelling of 54635005021 in words is "fifty-four billion, six hundred thirty-five million, five thousand, twenty-one".