55516541 has 4 divisors (see below), whose sum is σ = 56697792. Its totient is φ = 54335292.

The previous prime is 55516529. The next prime is 55516547. The reversal of 55516541 is 14561555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55516541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55516498 and 55516507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55516547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590555 + ... + 590648.

It is an arithmetic number, because the mean of its divisors is an integer number (14174448).

Almost surely, 2^55516541 is an apocalyptic number.

It is an amenable number.

55516541 is a deficient number, since it is larger than the sum of its proper divisors (1181251).

55516541 is a wasteful number, since it uses less digits than its factorization.

55516541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181250.

The product of its digits is 15000, while the sum is 32.

The square root of 55516541 is about 7450.9422894021. The cubic root of 55516541 is about 381.4820722325.

The spelling of 55516541 in words is "fifty-five million, five hundred sixteen thousand, five hundred forty-one".