55712196 has 36 divisors (see below), whose sum is σ = 149113692. Its totient is φ = 17478144.

The previous prime is 55712183. The next prime is 55712197. The reversal of 55712196 is 69121755.

55712196 is a `hidden beast` number, since 557 + 12 + 1 + 96 = 666.

55712196 is digitally balanced in base 9, 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 2 ways, for example, as 43560000 + 12152196 = 6600^2 + 3486^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

55712196 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 55712196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55712197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44905 + ... + 46128.

It is an arithmetic number, because the mean of its divisors is an integer number (4142047).

Almost surely, 2^55712196 is an apocalyptic number.

It is an amenable number.

55712196 is an abundant number, since it is smaller than the sum of its proper divisors (93401496).

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

55712196 is a wasteful number, since it uses less digits than its factorization.

55712196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91060 (or 91055 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 55712196 is about 7464.0602891456. The cubic root of 55712196 is about 381.9296947632.

The spelling of 55712196 in words is "fifty-five million, seven hundred twelve thousand, one hundred ninety-six".