54620256461 has 4 divisors (see below), whose sum is σ = 54621547932. Its totient is φ = 54618964992.

The previous prime is 54620256421. The next prime is 54620256469. The reversal of 54620256461 is 16465202645.

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 31446283561 + 23173972900 = 177331^2 + 152230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54620256461 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 (54620256469) 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, 580070 + ... + 667623.

It is an arithmetic number, because the mean of its divisors is an integer number (13655386983).

Almost surely, 2^54620256461 is an apocalyptic number.

It is an amenable number.

54620256461 is a deficient number, since it is larger than the sum of its proper divisors (1291471).

54620256461 is a wasteful number, since it uses less digits than its factorization.

54620256461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291470.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 54620256461 in words is "fifty-four billion, six hundred twenty million, two hundred fifty-six thousand, four hundred sixty-one".