54621343461 has 4 divisors (see below), whose sum is σ = 72828457952. Its totient is φ = 36414228972.

The previous prime is 54621343459. The next prime is 54621343493. The reversal of 54621343461 is 16434312645.

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 not a de Polignac number, because 54621343461 - 2¹ = 54621343459 is a prime.

It is a super-2 number, since 2×54621343461² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54621343411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9103557241 + ... + 9103557246.

It is an arithmetic number, because the mean of its divisors is an integer number (18207114488).

Almost surely, 2^54621343461 is an apocalyptic number.

It is an amenable number.

54621343461 is a deficient number, since it is larger than the sum of its proper divisors (18207114491).

54621343461 is a wasteful number, since it uses less digits than its factorization.

54621343461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18207114490.

The product of its digits is 207360, while the sum is 39.

The spelling of 54621343461 in words is "fifty-four billion, six hundred twenty-one million, three hundred forty-three thousand, four hundred sixty-one".