55642411 has 16 divisors (see below), whose sum is σ = 64735200. Its totient is φ = 47265280.

The previous prime is 55642409. The next prime is 55642417. The reversal of 55642411 is 11424655.

It is a cyclic number.

It is not a de Polignac number, because 55642411 - 2¹ = 55642409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55642411.

It is not an unprimeable number, because it can be changed into a prime (55642417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26865 + ... + 28861.

It is an arithmetic number, because the mean of its divisors is an integer number (4045950).

Almost surely, 2^55642411 is an apocalyptic number.

55642411 is a deficient number, since it is larger than the sum of its proper divisors (9092789).

55642411 is a wasteful number, since it uses less digits than its factorization.

55642411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174.

The product of its digits is 4800, while the sum is 28.

The square root of 55642411 is about 7459.3840898562. The cubic root of 55642411 is about 381.7701599761.

The spelling of 55642411 in words is "fifty-five million, six hundred forty-two thousand, four hundred eleven".