55141557 has 32 divisors (see below), whose sum is σ = 84084480. Its totient is φ = 31933440.

The previous prime is 55141531. The next prime is 55141561. The reversal of 55141557 is 75514155.

It is a happy number.

55141557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55141557 - 2⁸ = 55141301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55141517) 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 31 ways as a sum of consecutive naturals, for example, 33207 + ... + 34827.

It is an arithmetic number, because the mean of its divisors is an integer number (2627640).

Almost surely, 2^55141557 is an apocalyptic number.

It is an amenable number.

55141557 is a deficient number, since it is larger than the sum of its proper divisors (28942923).

55141557 is a wasteful number, since it uses less digits than its factorization.

55141557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693.

The product of its digits is 17500, while the sum is 33.

The square root of 55141557 is about 7425.7361251259. The cubic root of 55141557 is about 380.6212299259.

The spelling of 55141557 in words is "fifty-five million, one hundred forty-one thousand, five hundred fifty-seven".