55193280091524 has 81 divisors (see below), whose sum is σ = 140154169905477. Its totient is φ = 18314032743648.

The previous prime is 55193280091517. The next prime is 55193280091559. The reversal of 55193280091524 is 42519008239155.

The square root of 55193280091524 is 7429218.

It is a perfect power (a square), and thus also a powerful number.

55193280091524 is a `hidden beast` number, since 5 + 5 + 1 + 9 + 3 + 28 + 0 + 0 + 91 + 524 = 666.

55193280091524 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 only one way, i.e., 51404339981124 + 3788940110400 = 7169682^2 + 1946520^2 .

It is a super-2 number, since 2×55193280091524² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10207742829 + ... + 10207748235.

Almost surely, 2^{55193280091524} is an apocalyptic number.

55193280091524 is the 7429218-th square number.

It is an amenable number.

55193280091524 is an abundant number, since it is smaller than the sum of its proper divisors (84960889813953).

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

55193280091524 is an frugal number, since it uses more digits than its factorization.

55193280091524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11282 (or 5641 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 54.

The spelling of 55193280091524 in words is "fifty-five trillion, one hundred ninety-three billion, two hundred eighty million, ninety-one thousand, five hundred twenty-four".