55878632 has 16 divisors (see below), whose sum is σ = 105735300. Its totient is φ = 27682560.

The previous prime is 55878619. The next prime is 55878637. The reversal of 55878632 is 23687855.

55878632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55860676 + 17956 = 7474^2 + 134^2 .

It is not an unprimeable number, because it can be changed into a prime (55878637) 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 3 ways as a sum of consecutive naturals, for example, 31169 + ... + 32912.

Almost surely, 2^55878632 is an apocalyptic number.

It is an amenable number.

55878632 is a deficient number, since it is larger than the sum of its proper divisors (49856668).

55878632 is a wasteful number, since it uses less digits than its factorization.

55878632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64196 (or 64192 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 55878632 is about 7475.2011344177. The cubic root of 55878632 is about 382.3096454125.

The spelling of 55878632 in words is "fifty-five million, eight hundred seventy-eight thousand, six hundred thirty-two".