55442360 has 32 divisors (see below), whose sum is σ = 125355600. Its totient is φ = 22068480.

The previous prime is 55442357. The next prime is 55442363. The reversal of 55442360 is 6324455.

It is an interprime number because it is at equal distance from previous prime (55442357) and next prime (55442363).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55442363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5156 + ... + 11724.

Almost surely, 2^55442360 is an apocalyptic number.

It is an amenable number.

55442360 is an abundant number, since it is smaller than the sum of its proper divisors (69913240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55442360 is a wasteful number, since it uses less digits than its factorization.

55442360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6791 (or 6787 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 55442360 is about 7445.9626644243. The cubic root of 55442360 is about 381.3120848458.

The spelling of 55442360 in words is "fifty-five million, four hundred forty-two thousand, three hundred sixty".