53122664450 has 12 divisors (see below), whose sum is σ = 98808155970. Its totient is φ = 21249065760.

The previous prime is 53122664431. The next prime is 53122664459. The reversal of 53122664450 is 5446622135.

It can be written as a sum of positive squares in 3 ways, for example, as 47758420369 + 5364244081 = 218537^2 + 73241^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53122664459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 531226595 + ... + 531226694.

Almost surely, 2^53122664450 is an apocalyptic number.

53122664450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53122664450 is a deficient number, since it is larger than the sum of its proper divisors (45685491520).

53122664450 is a wasteful number, since it uses less digits than its factorization.

53122664450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062453301 (or 1062453296 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 53122664450 in words is "fifty-three billion, one hundred twenty-two million, six hundred sixty-four thousand, four hundred fifty".