54311550451555 has 32 divisors (see below), whose sum is σ = 69909228187200. Its totient is φ = 40379578417152.

The previous prime is 54311550451537. The next prime is 54311550451601. The reversal of 54311550451555 is 55515405511345.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 54311550451555 - 2⁵ = 54311550451523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54311550451499 and 54311550451508.

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, 32047447 + ... + 33699583.

It is an arithmetic number, because the mean of its divisors is an integer number (2184663380850).

Almost surely, 2^{54311550451555} is an apocalyptic number.

54311550451555 is a deficient number, since it is larger than the sum of its proper divisors (15597677735645).

54311550451555 is a wasteful number, since it uses less digits than its factorization.

54311550451555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658743.

The product of its (nonzero) digits is 3750000, while the sum is 49.

The spelling of 54311550451555 in words is "fifty-four trillion, three hundred eleven billion, five hundred fifty million, four hundred fifty-one thousand, five hundred fifty-five".