55530002 has 32 divisors (see below), whose sum is σ = 93386304. Its totient is φ = 24552000.

The previous prime is 55529993. The next prime is 55530011. The reversal of 55530002 is 20003555.

It is an interprime number because it is at equal distance from previous prime (55529993) and next prime (55530011).

It is a super-2 number, since 2×55530002² = 6167162244240008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148688 + ... + 149060.

It is an arithmetic number, because the mean of its divisors is an integer number (2918322).

Almost surely, 2^55530002 is an apocalyptic number.

55530002 is a deficient number, since it is larger than the sum of its proper divisors (37856302).

55530002 is a wasteful number, since it uses less digits than its factorization.

55530002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 55530002 is about 7451.8455432195. The cubic root of 55530002 is about 381.5129021744.

Adding to 55530002 its reverse (20003555), we get a palindrome (75533557).

The spelling of 55530002 in words is "fifty-five million, five hundred thirty thousand, two".