55355650535526 has 32 divisors (see below), whose sum is σ = 120776540921856. Its totient is φ = 16774359540000.

The previous prime is 55355650535519. The next prime is 55355650535527. The reversal of 55355650535526 is 62553505655355.

It is a super-2 number, since 2×55355650535526² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55355650535526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55355650535527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12759336 + ... + 16538196.

It is an arithmetic number, because the mean of its divisors is an integer number (3774266903808).

Almost surely, 2^{55355650535526} is an apocalyptic number.

55355650535526 is an abundant number, since it is smaller than the sum of its proper divisors (65420890386330).

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

55355650535526 is a wasteful number, since it uses less digits than its factorization.

55355650535526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000828.

The product of its (nonzero) digits is 253125000, while the sum is 60.

The spelling of 55355650535526 in words is "fifty-five trillion, three hundred fifty-five billion, six hundred fifty million, five hundred thirty-five thousand, five hundred twenty-six".