54633235505621 has 4 divisors (see below), whose sum is σ = 55664051269932. Its totient is φ = 53602419741312.

The previous prime is 54633235505567. The next prime is 54633235505623. The reversal of 54633235505621 is 12650553233645.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37975654428721 + 16657581076900 = 6162439^2 + 4081370^2 .

It is a cyclic number.

It is not a de Polignac number, because 54633235505621 - 2²⁶ = 54633168396757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54633235505621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54633235505623) 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, 515407882076 + ... + 515407882181.

It is an arithmetic number, because the mean of its divisors is an integer number (13916012817483).

Almost surely, 2^{54633235505621} is an apocalyptic number.

It is an amenable number.

54633235505621 is a deficient number, since it is larger than the sum of its proper divisors (1030815764311).

54633235505621 is a wasteful number, since it uses less digits than its factorization.

54633235505621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030815764310.

The product of its (nonzero) digits is 9720000, while the sum is 50.

The spelling of 54633235505621 in words is "fifty-four trillion, six hundred thirty-three billion, two hundred thirty-five million, five hundred five thousand, six hundred twenty-one".