55012302 has 12 divisors (see below), whose sum is σ = 119193360. Its totient is φ = 18337428.

The previous prime is 55012273. The next prime is 55012313. The reversal of 55012302 is 20321055.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 3056239 = 55012302 / (5 + 5 + 0 + 1 + 2 + 3 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1528102 + ... + 1528137.

It is an arithmetic number, because the mean of its divisors is an integer number (9932780).

Almost surely, 2^55012302 is an apocalyptic number.

55012302 is an abundant number, since it is smaller than the sum of its proper divisors (64181058).

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

55012302 is a wasteful number, since it uses less digits than its factorization.

55012302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056247 (or 3056244 counting only the distinct ones).

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

The square root of 55012302 is about 7417.0278413931. The cubic root of 55012302 is about 380.3235978540.

Adding to 55012302 its reverse (20321055), we get a palindrome (75333357).

The spelling of 55012302 in words is "fifty-five million, twelve thousand, three hundred two".