55870302 has 16 divisors (see below), whose sum is σ = 112482432. Its totient is φ = 18499800.

The previous prime is 55870291. The next prime is 55870303. The reversal of 55870302 is 20307855.

It is a happy number.

55870302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55870302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55870303) 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 7 ways as a sum of consecutive naturals, for example, 29928 + ... + 31739.

It is an arithmetic number, because the mean of its divisors is an integer number (7030152).

Almost surely, 2^55870302 is an apocalyptic number.

55870302 is an abundant number, since it is smaller than the sum of its proper divisors (56612130).

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

55870302 is a wasteful number, since it uses less digits than its factorization.

55870302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61823.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 55870302 is about 7474.6439380080. The cubic root of 55870302 is about 382.2906471091.

The spelling of 55870302 in words is "fifty-five million, eight hundred seventy thousand, three hundred two".