54136605454 has 16 divisors (see below), whose sum is σ = 81365875056. Its totient is φ = 27014680000.

The previous prime is 54136605431. The next prime is 54136605499. The reversal of 54136605454 is 45450663145.

It is a super-2 number, since 2×54136605454² (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 54136605454.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4412829 + ... + 4425079.

It is an arithmetic number, because the mean of its divisors is an integer number (5085367191).

Almost surely, 2^54136605454 is an apocalyptic number.

54136605454 is a deficient number, since it is larger than the sum of its proper divisors (27229269602).

54136605454 is a wasteful number, since it uses less digits than its factorization.

54136605454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16451.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 54136605454 in words is "fifty-four billion, one hundred thirty-six million, six hundred five thousand, four hundred fifty-four".