54345541 has 4 divisors (see below), whose sum is σ = 55671084. Its totient is φ = 53020000.

The previous prime is 54345523. The next prime is 54345553. The reversal of 54345541 is 14554345.

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 11390625 + 42954916 = 3375^2 + 6554^2 .

It is a cyclic number.

It is not a de Polignac number, because 54345541 - 2¹¹ = 54343493 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 (54345521) 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, 662710 + ... + 662791.

It is an arithmetic number, because the mean of its divisors is an integer number (13917771).

Almost surely, 2^54345541 is an apocalyptic number.

It is an amenable number.

54345541 is a deficient number, since it is larger than the sum of its proper divisors (1325543).

54345541 is a wasteful number, since it uses less digits than its factorization.

54345541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325542.

The product of its digits is 24000, while the sum is 31.

The square root of 54345541 is about 7371.9428239780. The cubic root of 54345541 is about 378.7808132447.

Adding to 54345541 its reverse (14554345), we get a palindrome (68899886).

The spelling of 54345541 in words is "fifty-four million, three hundred forty-five thousand, five hundred forty-one".