54551641 has 4 divisors (see below), whose sum is σ = 57422800. Its totient is φ = 51680484.

The previous prime is 54551621. The next prime is 54551647. The reversal of 54551641 is 14615545.

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 not a de Polignac number, because 54551641 - 2⁹ = 54551129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54551647) 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, 1435551 + ... + 1435588.

It is an arithmetic number, because the mean of its divisors is an integer number (14355700).

Almost surely, 2^54551641 is an apocalyptic number.

It is an amenable number.

54551641 is a deficient number, since it is larger than the sum of its proper divisors (2871159).

54551641 is a wasteful number, since it uses less digits than its factorization.

54551641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871158.

The product of its digits is 12000, while the sum is 31.

The square root of 54551641 is about 7385.9082718377. The cubic root of 54551641 is about 379.2590385957.

The spelling of 54551641 in words is "fifty-four million, five hundred fifty-one thousand, six hundred forty-one".