55140967 has 8 divisors (see below), whose sum is σ = 63778176. Its totient is φ = 46693752.

The previous prime is 55140961. The next prime is 55141001. The reversal of 55140967 is 76904155.

55140967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55140967 - 2²³ = 46752359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55140961) 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, 46873 + ... + 48034.

It is an arithmetic number, because the mean of its divisors is an integer number (7972272).

Almost surely, 2^55140967 is an apocalyptic number.

55140967 is a deficient number, since it is larger than the sum of its proper divisors (8637209).

55140967 is an equidigital number, since it uses as much as digits as its factorization.

55140967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94997.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 55140967 is about 7425.6963983185. The cubic root of 55140967 is about 380.6198724057.

The spelling of 55140967 in words is "fifty-five million, one hundred forty thousand, nine hundred sixty-seven".