55642602 has 32 divisors (see below), whose sum is σ = 119877120. Its totient is φ = 17161200.

The previous prime is 55642591. The next prime is 55642607. The reversal of 55642602 is 20624655.

It is a self number, because there is not a number n which added to its sum of digits gives 55642602.

It is not an unprimeable number, because it can be changed into a prime (55642607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774 + ... + 10577.

It is an arithmetic number, because the mean of its divisors is an integer number (3746160).

Almost surely, 2^55642602 is an apocalyptic number.

55642602 is an abundant number, since it is smaller than the sum of its proper divisors (64234518).

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

55642602 is a wasteful number, since it uses less digits than its factorization.

55642602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11418.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 55642602 is about 7459.3968925108. The cubic root of 55642602 is about 381.7705968012.

The spelling of 55642602 in words is "fifty-five million, six hundred forty-two thousand, six hundred two".