55511541 has 16 divisors (see below), whose sum is σ = 83041920. Its totient is φ = 36646560.

The previous prime is 55511537. The next prime is 55511543. The reversal of 55511541 is 14511555.

It is not a de Polignac number, because 55511541 - 2² = 55511537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55511543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7200 + ... + 12761.

It is an arithmetic number, because the mean of its divisors is an integer number (5190120).

Almost surely, 2^55511541 is an apocalyptic number.

It is an amenable number.

55511541 is a deficient number, since it is larger than the sum of its proper divisors (27530379).

55511541 is a wasteful number, since it uses less digits than its factorization.

55511541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20073 (or 20067 counting only the distinct ones).

The product of its digits is 2500, while the sum is 27.

The square root of 55511541 is about 7450.6067538154. The cubic root of 55511541 is about 381.4706193839.

The spelling of 55511541 in words is "fifty-five million, five hundred eleven thousand, five hundred forty-one".