55878332 has 6 divisors (see below), whose sum is σ = 97787088. Its totient is φ = 27939164.

The previous prime is 55878311. The next prime is 55878343. The reversal of 55878332 is 23387855.

55878332 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 55878332.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6984788 + ... + 6984795.

It is an arithmetic number, because the mean of its divisors is an integer number (16297848).

Almost surely, 2^55878332 is an apocalyptic number.

It is an amenable number.

55878332 is a deficient number, since it is larger than the sum of its proper divisors (41908756).

55878332 is a wasteful number, since it uses less digits than its factorization.

55878332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13969587 (or 13969585 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 55878332 is about 7475.1810680411. The cubic root of 55878332 is about 382.3089612326.

The spelling of 55878332 in words is "fifty-five million, eight hundred seventy-eight thousand, three hundred thirty-two".