55863602 has 4 divisors (see below), whose sum is σ = 83795406. Its totient is φ = 27931800.

The previous prime is 55863601. The next prime is 55863611. The reversal of 55863602 is 20636855.

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

It can be written as a sum of positive squares in only one way, i.e., 28185481 + 27678121 = 5309^2 + 5261^2 .

It is not an unprimeable number, because it can be changed into a prime (55863601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13965899 + ... + 13965902.

Almost surely, 2^55863602 is an apocalyptic number.

55863602 is a deficient number, since it is larger than the sum of its proper divisors (27931804).

55863602 is a wasteful number, since it uses less digits than its factorization.

55863602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27931803.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 55863602 is about 7474.1957426870. The cubic root of 55863602 is about 382.2753649906.

It can be divided in two parts, 55863 and 602, that added together give a palindrome (56465).

The spelling of 55863602 in words is "fifty-five million, eight hundred sixty-three thousand, six hundred two".