55512210452 has 6 divisors (see below), whose sum is σ = 97146368298. Its totient is φ = 27756105224.

The previous prime is 55512210451. The next prime is 55512210469. The reversal of 55512210452 is 25401221555.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 51056113936 + 4456096516 = 225956^2 + 66754^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55512210451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6939026303 + ... + 6939026310.

It is an arithmetic number, because the mean of its divisors is an integer number (16191061383).

Almost surely, 2^55512210452 is an apocalyptic number.

It is an amenable number.

55512210452 is a deficient number, since it is larger than the sum of its proper divisors (41634157846).

55512210452 is a wasteful number, since it uses less digits than its factorization.

55512210452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13878052617 (or 13878052615 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 55512210452 in words is "fifty-five billion, five hundred twelve million, two hundred ten thousand, four hundred fifty-two".