55515126 has 8 divisors (see below), whose sum is σ = 111030264. Its totient is φ = 18505040.

The previous prime is 55515121. The next prime is 55515127. The reversal of 55515126 is 62151555.

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

55515126 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55515093 and 55515102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55515121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4626255 + ... + 4626266.

It is an arithmetic number, because the mean of its divisors is an integer number (13878783).

Almost surely, 2^55515126 is an apocalyptic number.

55515126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55515126 is a wasteful number, since it uses less digits than its factorization.

55515126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9252526.

The product of its digits is 7500, while the sum is 30.

The square root of 55515126 is about 7450.8473343641. The cubic root of 55515126 is about 381.4788311461.

The spelling of 55515126 in words is "fifty-five million, five hundred fifteen thousand, one hundred twenty-six".