55512302 has 4 divisors (see below), whose sum is σ = 83268456. Its totient is φ = 27756150.

The previous prime is 55512299. The next prime is 55512329. The reversal of 55512302 is 20321555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20321555 = 5 ⋅4064311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13878074 + ... + 13878077.

It is an arithmetic number, because the mean of its divisors is an integer number (20817114).

Almost surely, 2^55512302 is an apocalyptic number.

55512302 is a deficient number, since it is larger than the sum of its proper divisors (27756154).

55512302 is a wasteful number, since it uses less digits than its factorization.

55512302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27756153.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 55512302 is about 7450.6578233066. The cubic root of 55512302 is about 381.4723625518.

Adding to 55512302 its reverse (20321555), we get a palindrome (75833857).

The spelling of 55512302 in words is "fifty-five million, five hundred twelve thousand, three hundred two".