54453645 has 24 divisors (see below), whose sum is σ = 95328792. Its totient is φ = 28752000.

The previous prime is 54453643. The next prime is 54453713. The reversal of 54453645 is 54635445.

54453645 is a `hidden beast` number, since 5 + 4 + 4 + 5 + 3 + 645 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 34257609 + 20196036 = 5853^2 + 4494^2 .

It is not a de Polignac number, because 54453645 - 2¹ = 54453643 is a prime.

It is a super-3 number, since 3×54453645³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54453643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1446 + ... + 10535.

It is an arithmetic number, because the mean of its divisors is an integer number (3972033).

Almost surely, 2^54453645 is an apocalyptic number.

It is an amenable number.

54453645 is a deficient number, since it is larger than the sum of its proper divisors (40875147).

54453645 is a wasteful number, since it uses less digits than its factorization.

54453645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12093 (or 12090 counting only the distinct ones).

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

The square root of 54453645 is about 7379.2713054881. The cubic root of 54453645 is about 379.0318034775.

It can be divided in two parts, 5445 and 3645, that multiplied together give a square (19847025 = 4455²).

The spelling of 54453645 in words is "fifty-four million, four hundred fifty-three thousand, six hundred forty-five".