55439541 has 12 divisors (see below), whose sum is σ = 80280460. Its totient is φ = 36866880.

The previous prime is 55439539. The next prime is 55439551. The reversal of 55439541 is 14593455.

It can be written as a sum of positive squares in 2 ways, for example, as 47196900 + 8242641 = 6870^2 + 2871^2 .

It is not a de Polignac number, because 55439541 - 2¹ = 55439539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55439496 and 55439505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55439551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3850 + ... + 11211.

Almost surely, 2^55439541 is an apocalyptic number.

It is an amenable number.

55439541 is a deficient number, since it is larger than the sum of its proper divisors (24840919).

55439541 is a wasteful number, since it uses less digits than its factorization.

55439541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15476 (or 15473 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 55439541 is about 7445.7733648023. The cubic root of 55439541 is about 381.3056220558.

The spelling of 55439541 in words is "fifty-five million, four hundred thirty-nine thousand, five hundred forty-one".