55515526 has 12 divisors (see below), whose sum is σ = 91532196. Its totient is φ = 25234220.

The previous prime is 55515497. The next prime is 55515529. The reversal of 55515526 is 62551555.

55515526 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55515491 and 55515500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55515529) 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 5 ways as a sum of consecutive naturals, for example, 114460 + ... + 114943.

It is an arithmetic number, because the mean of its divisors is an integer number (7627683).

Almost surely, 2^55515526 is an apocalyptic number.

55515526 is a deficient number, since it is larger than the sum of its proper divisors (36016670).

55515526 is a wasteful number, since it uses less digits than its factorization.

55515526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229427 (or 229416 counting only the distinct ones).

The product of its digits is 37500, while the sum is 34.

The square root of 55515526 is about 7450.8741769003. The cubic root of 55515526 is about 381.4797473599.

The spelling of 55515526 in words is "fifty-five million, five hundred fifteen thousand, five hundred twenty-six".