55707130 has 16 divisors (see below), whose sum is σ = 106171560. Its totient is φ = 20972032.

The previous prime is 55707121. The next prime is 55707131. The reversal of 55707130 is 3170755.

55707130 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 4 ways, for example, as 55308969 + 398161 = 7437^2 + 631^2 .

It is not an unprimeable number, because it can be changed into a prime (55707131) 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, 163675 + ... + 164014.

Almost surely, 2^55707130 is an apocalyptic number.

55707130 is a deficient number, since it is larger than the sum of its proper divisors (50464430).

55707130 is a wasteful number, since it uses less digits than its factorization.

55707130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327713.

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

The square root of 55707130 is about 7463.7209218995. The cubic root of 55707130 is about 381.9181179175.

Adding to 55707130 its reverse (3170755), we get a palindrome (58877885).

Subtracting from 55707130 its reverse (3170755), we obtain a triangular number (52536375 = T₁₀₂₅₀).

The spelling of 55707130 in words is "fifty-five million, seven hundred seven thousand, one hundred thirty".