55115526 has 8 divisors (see below), whose sum is σ = 110231064. Its totient is φ = 18371840.

The previous prime is 55115507. The next prime is 55115527. The reversal of 55115526 is 62551155.

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

55115526 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55115493 and 55115502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55115527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4592955 + ... + 4592966.

It is an arithmetic number, because the mean of its divisors is an integer number (13778883).

Almost surely, 2^55115526 is an apocalyptic number.

55115526 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.

55115526 is a wasteful number, since it uses less digits than its factorization.

55115526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9185926.

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

The square root of 55115526 is about 7423.9831626964. The cubic root of 55115526 is about 380.5613264624.

The spelling of 55115526 in words is "fifty-five million, one hundred fifteen thousand, five hundred twenty-six".