55132002 has 20 divisors (see below), whose sum is σ = 123536886. Its totient is φ = 18377280.

The previous prime is 55132001. The next prime is 55132039. The reversal of 55132002 is 20023155.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 42107121 + 13024881 = 6489^2 + 3609^2 .

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (55132001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 169999 + ... + 170322.

Almost surely, 2^55132002 is an apocalyptic number.

55132002 is an abundant number, since it is smaller than the sum of its proper divisors (68404884).

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

55132002 is a wasteful number, since it uses less digits than its factorization.

55132002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340335 (or 340326 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 55132002 is about 7425.0927266937. The cubic root of 55132002 is about 380.5992438103.

Adding to 55132002 its reverse (20023155), we get a palindrome (75155157).

The spelling of 55132002 in words is "fifty-five million, one hundred thirty-two thousand, two".