54023145131555 has 4 divisors (see below), whose sum is σ = 64827774157872. Its totient is φ = 43218516105240.

The previous prime is 54023145131551. The next prime is 54023145131603. The reversal of 54023145131555 is 55513154132045.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 54023145131555 - 2² = 54023145131551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54023145131551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5402314513151 + ... + 5402314513160.

It is an arithmetic number, because the mean of its divisors is an integer number (16206943539468).

Almost surely, 2^{54023145131555} is an apocalyptic number.

54023145131555 is a deficient number, since it is larger than the sum of its proper divisors (10804629026317).

54023145131555 is a wasteful number, since it uses less digits than its factorization.

54023145131555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10804629026316.

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 54023145131555 in words is "fifty-four trillion, twenty-three billion, one hundred forty-five million, one hundred thirty-one thousand, five hundred fifty-five".