55641022 has 4 divisors (see below), whose sum is σ = 83461536. Its totient is φ = 27820510.

The previous prime is 55641013. The next prime is 55641031. The reversal of 55641022 is 22014655.

55641022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (55641013) and next prime (55641031).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13910254 + ... + 13910257.

It is an arithmetic number, because the mean of its divisors is an integer number (20865384).

Almost surely, 2^55641022 is an apocalyptic number.

55641022 is a deficient number, since it is larger than the sum of its proper divisors (27820514).

55641022 is a wasteful number, since it uses less digits than its factorization.

55641022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27820513.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 55641022 is about 7459.2909850736. The cubic root of 55641022 is about 381.7669832436.

Adding to 55641022 its reverse (22014655), we get a palindrome (77655677).

The spelling of 55641022 in words is "fifty-five million, six hundred forty-one thousand, twenty-two".