54045555529 has 9 divisors (see below), whose sum is σ = 62871212781. Its totient is φ = 46323367020.

The previous prime is 54045555523. The next prime is 54045555581. The reversal of 54045555529 is 92555554045.

The square root of 54045555529 is 232477.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 54045555529 - 2¹⁵ = 54045522761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54045555523) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1610734 + ... + 1643944.

It is an arithmetic number, because the mean of its divisors is an integer number (6985690309).

Almost surely, 2^54045555529 is an apocalyptic number.

54045555529 is the 232477-th square number.

54045555529 is the 116239-th centered octagonal number.

It is an amenable number.

54045555529 is a deficient number, since it is larger than the sum of its proper divisors (8825657252).

54045555529 is an frugal number, since it uses more digits than its factorization.

54045555529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66436 (or 33218 counting only the distinct ones).

The product of its (nonzero) digits is 4500000, while the sum is 49.

Multiplying 54045555529 by its sum of digits (49), we get a square (2648232220921 = 1627339²).

54045555529 divided by its sum of digits (49) gives a square (1102970521 = 33211²).

It can be divided in two parts, 540455 and 55529, that added together give a square (595984 = 772²).

The spelling of 54045555529 in words is "fifty-four billion, forty-five million, five hundred fifty-five thousand, five hundred twenty-nine".