55145841 has 8 divisors (see below), whose sum is σ = 77853024. Its totient is φ = 34601280.

The previous prime is 55145837. The next prime is 55145843. The reversal of 55145841 is 14854155.

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

It is not a de Polignac number, because 55145841 - 2² = 55145837 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (55145843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540595 + ... + 540696.

It is an arithmetic number, because the mean of its divisors is an integer number (9731628).

Almost surely, 2^55145841 is an apocalyptic number.

55145841 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

55145841 is a deficient number, since it is larger than the sum of its proper divisors (22707183).

55145841 is a wasteful number, since it uses less digits than its factorization.

55145841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081311.

The product of its digits is 16000, while the sum is 33.

The square root of 55145841 is about 7426.0245757740. The cubic root of 55145841 is about 380.6310866124.

Adding to 55145841 its reverse (14854155), we get a palindrome (69999996).

The spelling of 55145841 in words is "fifty-five million, one hundred forty-five thousand, eight hundred forty-one".