55378302 has 32 divisors (see below), whose sum is σ = 126799872. Its totient is φ = 15794784.

The previous prime is 55378291. The next prime is 55378303. The reversal of 55378302 is 20387355.

55378302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55378303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45048 + ... + 46260.

It is an arithmetic number, because the mean of its divisors is an integer number (3962496).

Almost surely, 2^55378302 is an apocalyptic number.

55378302 is an abundant number, since it is smaller than the sum of its proper divisors (71421570).

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

55378302 is a wasteful number, since it uses less digits than its factorization.

55378302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 55378302 is about 7441.6598954803. The cubic root of 55378302 is about 381.1651724917.

The spelling of 55378302 in words is "fifty-five million, three hundred seventy-eight thousand, three hundred two".