54438227615855 has 32 divisors (see below), whose sum is σ = 65737753804800. Its totient is φ = 43276832145792.

The previous prime is 54438227615843. The next prime is 54438227615881. The reversal of 54438227615855 is 55851672283445.

It is a cyclic number.

It is not a de Polignac number, because 54438227615855 - 2⁸ = 54438227615599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54438227615791 and 54438227615800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1674851534 + ... + 1674884036.

It is an arithmetic number, because the mean of its divisors is an integer number (2054304806400).

Almost surely, 2^{54438227615855} is an apocalyptic number.

54438227615855 is a deficient number, since it is larger than the sum of its proper divisors (11299526188945).

54438227615855 is a wasteful number, since it uses less digits than its factorization.

54438227615855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35663.

The product of its digits is 322560000, while the sum is 65.

The spelling of 54438227615855 in words is "fifty-four trillion, four hundred thirty-eight billion, two hundred twenty-seven million, six hundred fifteen thousand, eight hundred fifty-five".