55542541 has 8 divisors (see below), whose sum is σ = 57800160. Its totient is φ = 53328912.

The previous prime is 55542533. The next prime is 55542601. The reversal of 55542541 is 14524555.

55542541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55542541 - 2³ = 55542533 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 (55542041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8410 + ... + 13483.

It is an arithmetic number, because the mean of its divisors is an integer number (7225020).

Almost surely, 2^55542541 is an apocalyptic number.

It is an amenable number.

55542541 is a deficient number, since it is larger than the sum of its proper divisors (2257619).

55542541 is a wasteful number, since it uses less digits than its factorization.

55542541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21995.

The product of its digits is 20000, while the sum is 31.

The square root of 55542541 is about 7452.6868309355. The cubic root of 55542541 is about 381.5416159632.

The spelling of 55542541 in words is "fifty-five million, five hundred forty-two thousand, five hundred forty-one".