55878735 has 16 divisors (see below), whose sum is σ = 97534080. Its totient is φ = 27092640.

The previous prime is 55878733. The next prime is 55878743. The reversal of 55878735 is 53787855.

It is a happy number.

55878735 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55878735 - 2¹ = 55878733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55878731) 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, 169165 + ... + 169494.

It is an arithmetic number, because the mean of its divisors is an integer number (6095880).

Almost surely, 2^55878735 is an apocalyptic number.

55878735 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55878735 is a deficient number, since it is larger than the sum of its proper divisors (41655345).

55878735 is a wasteful number, since it uses less digits than its factorization.

55878735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338678.

The product of its digits is 1176000, while the sum is 48.

The square root of 55878735 is about 7475.2080238613. The cubic root of 55878735 is about 382.3098803136.

The spelling of 55878735 in words is "fifty-five million, eight hundred seventy-eight thousand, seven hundred thirty-five".