53553251999 has 8 divisors (see below), whose sum is σ = 57843873360. Its totient is φ = 49287079296.

The previous prime is 53553251989. The next prime is 53553252013. The reversal of 53553251999 is 99915235535.

53553251999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53553251999 - 2¹² = 53553247903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53553251929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6107609 + ... + 6116370.

It is an arithmetic number, because the mean of its divisors is an integer number (7230484170).

Almost surely, 2^53553251999 is an apocalyptic number.

53553251999 is a deficient number, since it is larger than the sum of its proper divisors (4290621361).

53553251999 is a wasteful number, since it uses less digits than its factorization.

53553251999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12224329.

The product of its digits is 8201250, while the sum is 56.

The spelling of 53553251999 in words is "fifty-three billion, five hundred fifty-three million, two hundred fifty-one thousand, nine hundred ninety-nine".