54513011533 has 4 divisors (see below), whose sum is σ = 56271495808. Its totient is φ = 52754527260.

The previous prime is 54513011519. The next prime is 54513011557. The reversal of 54513011533 is 33511031545.

54513011533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54513011533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 1758484243 = 54513011533 / (5 + 4 + 5 + 1 + 3 + 0 + 1 + 1 + 5 + 3 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54513011495 and 54513011504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54513011513) 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, 879242091 + ... + 879242152.

It is an arithmetic number, because the mean of its divisors is an integer number (14067873952).

Almost surely, 2^54513011533 is an apocalyptic number.

It is an amenable number.

54513011533 is a deficient number, since it is larger than the sum of its proper divisors (1758484275).

54513011533 is a wasteful number, since it uses less digits than its factorization.

54513011533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758484274.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 54513011533 in words is "fifty-four billion, five hundred thirteen million, eleven thousand, five hundred thirty-three".