53212220446662 has 32 divisors (see below), whose sum is σ = 118249617225600. Its totient is φ = 17737371047304.

The previous prime is 53212220446639. The next prime is 53212220446709. The reversal of 53212220446662 is 26664402221235.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50871853 + ... + 51907319.

It is an arithmetic number, because the mean of its divisors is an integer number (3695300538300).

Almost surely, 2^{53212220446662} is an apocalyptic number.

53212220446662 is an abundant number, since it is smaller than the sum of its proper divisors (65037396778938).

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

53212220446662 is a wasteful number, since it uses less digits than its factorization.

53212220446662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987137 (or 1987131 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

Adding to 53212220446662 its reverse (26664402221235), we get a palindrome (79876622667897).

The spelling of 53212220446662 in words is "fifty-three trillion, two hundred twelve billion, two hundred twenty million, four hundred forty-six thousand, six hundred sixty-two".