55543542 has 8 divisors (see below), whose sum is σ = 111087096. Its totient is φ = 18514512.

The previous prime is 55543541. The next prime is 55543547. The reversal of 55543542 is 24534555.

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

55543542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55543541) 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, 4628623 + ... + 4628634.

It is an arithmetic number, because the mean of its divisors is an integer number (13885887).

Almost surely, 2^55543542 is an apocalyptic number.

55543542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55543542 is a wasteful number, since it uses less digits than its factorization.

55543542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9257262.

The product of its digits is 60000, while the sum is 33.

The square root of 55543542 is about 7452.7539876210. The cubic root of 55543542 is about 381.5439080254.

The spelling of 55543542 in words is "fifty-five million, five hundred forty-three thousand, five hundred forty-two".