54545909551 has 16 divisors (see below), whose sum is σ = 63340735744. Its totient is φ = 46003313664.

The previous prime is 54545909507. The next prime is 54545909569. The reversal of 54545909551 is 15590954545.

It is a happy number.

54545909551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54545909551 - 2⁷ = 54545909423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54545909591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348271 + ... + 479983.

It is an arithmetic number, because the mean of its divisors is an integer number (3958795984).

Almost surely, 2^54545909551 is an apocalyptic number.

54545909551 is a deficient number, since it is larger than the sum of its proper divisors (8794826193).

54545909551 is a wasteful number, since it uses less digits than its factorization.

54545909551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132670.

The product of its (nonzero) digits is 4050000, while the sum is 52.

The spelling of 54545909551 in words is "fifty-four billion, five hundred forty-five million, nine hundred nine thousand, five hundred fifty-one".