55070137 has 4 divisors (see below), whose sum is σ = 55111396. Its totient is φ = 55028880.

The previous prime is 55070107. The next prime is 55070161. The reversal of 55070137 is 73107055.

55070137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15832441 + 39237696 = 3979^2 + 6264^2 .

It is a cyclic number.

It is not a de Polignac number, because 55070137 - 2⁷ = 55070009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55070107) 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, 18558 + ... + 21319.

It is an arithmetic number, because the mean of its divisors is an integer number (13777849).

Almost surely, 2^55070137 is an apocalyptic number.

It is an amenable number.

55070137 is a deficient number, since it is larger than the sum of its proper divisors (41259).

55070137 is a wasteful number, since it uses less digits than its factorization.

55070137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41258.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 55070137 is about 7420.9256161209. The cubic root of 55070137 is about 380.4568305479.

The spelling of 55070137 in words is "fifty-five million, seventy thousand, one hundred thirty-seven".