55402302 has 16 divisors (see below), whose sum is σ = 111822480. Its totient is φ = 18297792.

The previous prime is 55402279. The next prime is 55402349. The reversal of 55402302 is 20320455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41703 + ... + 43010.

It is an arithmetic number, because the mean of its divisors is an integer number (6988905).

Almost surely, 2^55402302 is an apocalyptic number.

55402302 is an abundant number, since it is smaller than the sum of its proper divisors (56420178).

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

55402302 is a wasteful number, since it uses less digits than its factorization.

55402302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84827.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 55402302 is about 7443.2722642666. The cubic root of 55402302 is about 381.2202280075.

Adding to 55402302 its reverse (20320455), we get a palindrome (75722757).

The spelling of 55402302 in words is "fifty-five million, four hundred two thousand, three hundred two".