55640301 has 8 divisors (see below), whose sum is σ = 75587040. Its totient is φ = 36393552.

The previous prime is 55640287. The next prime is 55640399. The reversal of 55640301 is 10304655.

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

It is not a de Polignac number, because 55640301 - 2¹⁸ = 55378157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55640701) 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 7 ways as a sum of consecutive naturals, for example, 174811 + ... + 175128.

It is an arithmetic number, because the mean of its divisors is an integer number (9448380).

Almost surely, 2^55640301 is an apocalyptic number.

It is an amenable number.

55640301 is a deficient number, since it is larger than the sum of its proper divisors (19946739).

55640301 is a wasteful number, since it uses less digits than its factorization.

55640301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349995.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 55640301 is about 7459.2426559269. The cubic root of 55640301 is about 381.7653342493.

Adding to 55640301 its reverse (10304655), we get a palindrome (65944956).

The spelling of 55640301 in words is "fifty-five million, six hundred forty thousand, three hundred one".