54671545 has 4 divisors (see below), whose sum is σ = 65605860. Its totient is φ = 43737232.

The previous prime is 54671501. The next prime is 54671549. The reversal of 54671545 is 54517645.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39841344 + 14830201 = 6312^2 + 3851^2 .

It is a cyclic number.

It is not a de Polignac number, because 54671545 - 2¹¹ = 54669497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54671549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5467150 + ... + 5467159.

It is an arithmetic number, because the mean of its divisors is an integer number (16401465).

Almost surely, 2^54671545 is an apocalyptic number.

It is an amenable number.

54671545 is a deficient number, since it is larger than the sum of its proper divisors (10934315).

54671545 is a wasteful number, since it uses less digits than its factorization.

54671545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10934314.

The product of its digits is 84000, while the sum is 37.

The square root of 54671545 is about 7394.0208952910. The cubic root of 54671545 is about 379.5367045401.

The spelling of 54671545 in words is "fifty-four million, six hundred seventy-one thousand, five hundred forty-five".