54535644 has 18 divisors (see below), whose sum is σ = 137854080. Its totient is φ = 18178536.

The previous prime is 54535627. The next prime is 54535661. The reversal of 54535644 is 44653545.

54535644 is a `hidden beast` number, since 5 + 4 + 5 + 3 + 5 + 644 = 666.

It is an interprime number because it is at equal distance from previous prime (54535627) and next prime (54535661).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1514879 = 54535644 / (5 + 4 + 5 + 3 + 5 + 6 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 54535599 and 54535608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 757404 + ... + 757475.

It is an arithmetic number, because the mean of its divisors is an integer number (7658560).

Almost surely, 2^54535644 is an apocalyptic number.

It is an amenable number.

54535644 is an abundant number, since it is smaller than the sum of its proper divisors (83318436).

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

54535644 is a wasteful number, since it uses less digits than its factorization.

54535644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514889 (or 1514884 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 54535644 is about 7384.8252518255. The cubic root of 54535644 is about 379.2219630231.

The spelling of 54535644 in words is "fifty-four million, five hundred thirty-five thousand, six hundred forty-four".