54445272621506 has 8 divisors (see below), whose sum is σ = 87950055773244. Its totient is φ = 25128587363760.

The previous prime is 54445272621503. The next prime is 54445272621517. The reversal of 54445272621506 is 60512627254445.

It can be written as a sum of positive squares in 2 ways, for example, as 43634493020881 + 10810779600625 = 6605641^2 + 3287975^2 .

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

It is a super-2 number, since 2×54445272621506² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54445272621503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1047024473465 + ... + 1047024473516.

Almost surely, 2^{54445272621506} is an apocalyptic number.

54445272621506 is a deficient number, since it is larger than the sum of its proper divisors (33504783151738).

54445272621506 is a wasteful number, since it uses less digits than its factorization.

54445272621506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094048946996.

The product of its (nonzero) digits is 16128000, while the sum is 53.

The spelling of 54445272621506 in words is "fifty-four trillion, four hundred forty-five billion, two hundred seventy-two million, six hundred twenty-one thousand, five hundred six".