54555534 has 48 divisors (see below), whose sum is σ = 129467520. Its totient is φ = 16465680.

The previous prime is 54555511. The next prime is 54555551. The reversal of 54555534 is 43555545.

54555534 is a `hidden beast` number, since 54 + 55 + 553 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74679 + ... + 75405.

It is an arithmetic number, because the mean of its divisors is an integer number (2697240).

Almost surely, 2^54555534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54555534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64733760).

54555534 is an abundant number, since it is smaller than the sum of its proper divisors (74911986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54555534 is a wasteful number, since it uses less digits than its factorization.

54555534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1122 counting only the distinct ones).

The product of its digits is 150000, while the sum is 36.

The square root of 54555534 is about 7386.1718095371. The cubic root of 54555534 is about 379.2680601411.

The spelling of 54555534 in words is "fifty-four million, five hundred fifty-five thousand, five hundred thirty-four".