55442602 has 8 divisors (see below), whose sum is σ = 83722500. Its totient is φ = 27535104.

The previous prime is 55442599. The next prime is 55442603. The reversal of 55442602 is 20624455.

It can be written as a sum of positive squares in 2 ways, for example, as 48038761 + 7403841 = 6931^2 + 2721^2 .

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

It is not an unprimeable number, because it can be changed into a prime (55442603) 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, 92727 + ... + 93322.

Almost surely, 2^55442602 is an apocalyptic number.

55442602 is a deficient number, since it is larger than the sum of its proper divisors (28279898).

55442602 is a wasteful number, since it uses less digits than its factorization.

55442602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186200.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 55442602 is about 7445.9789148238. The cubic root of 55442602 is about 381.3126396405.

The spelling of 55442602 in words is "fifty-five million, four hundred forty-two thousand, six hundred two".