54621131761 has 8 divisors (see below), whose sum is σ = 62425583360. Its totient is φ = 46817038368.

The previous prime is 54621131737. The next prime is 54621131777. The reversal of 54621131761 is 16713112645.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54621131761 - 2⁷ = 54621131633 is a prime.

It is a super-2 number, since 2×54621131761² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54621131761.

It is not an unprimeable number, because it can be changed into a prime (54621131701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471880 + ... + 576118.

It is an arithmetic number, because the mean of its divisors is an integer number (7803197920).

Almost surely, 2^54621131761 is an apocalyptic number.

It is an amenable number.

54621131761 is a deficient number, since it is larger than the sum of its proper divisors (7804451599).

54621131761 is a wasteful number, since it uses less digits than its factorization.

54621131761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179103.

The product of its digits is 30240, while the sum is 37.

The spelling of 54621131761 in words is "fifty-four billion, six hundred twenty-one million, one hundred thirty-one thousand, seven hundred sixty-one".