54523557072381 has 8 divisors (see below), whose sum is σ = 72778228333984. Its totient is φ = 36308961929520.

The previous prime is 54523557072353. The next prime is 54523557072427. The reversal of 54523557072381 is 18327075532545.

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

It is not a de Polignac number, because 54523557072381 - 2²² = 54523552878077 is a prime.

It is a super-2 number, since 2×54523557072381² (a number of 28 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 (54523557072181) 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, 10019026510 + ... + 10019031951.

It is an arithmetic number, because the mean of its divisors is an integer number (9097278541748).

Almost surely, 2^{54523557072381} is an apocalyptic number.

It is an amenable number.

54523557072381 is a deficient number, since it is larger than the sum of its proper divisors (18254671261603).

54523557072381 is a wasteful number, since it uses less digits than its factorization.

54523557072381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20038059371.

The product of its (nonzero) digits is 35280000, while the sum is 57.

The spelling of 54523557072381 in words is "fifty-four trillion, five hundred twenty-three billion, five hundred fifty-seven million, seventy-two thousand, three hundred eighty-one".