51432035253 has 16 divisors (see below), whose sum is σ = 71365553280. Its totient is φ = 32907430976.

The previous prime is 51432035219. The next prime is 51432035261. The reversal of 51432035253 is 35253023415.

It is a cyclic number.

It is not a de Polignac number, because 51432035253 - 2¹³ = 51432027061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51432035153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1755450 + ... + 1784507.

It is an arithmetic number, because the mean of its divisors is an integer number (4460347080).

Almost surely, 2^51432035253 is an apocalyptic number.

It is an amenable number.

51432035253 is a deficient number, since it is larger than the sum of its proper divisors (19933518027).

51432035253 is a wasteful number, since it uses less digits than its factorization.

51432035253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540156.

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 51432035253 its reverse (35253023415), we get a palindrome (86685058668).

The spelling of 51432035253 in words is "fifty-one billion, four hundred thirty-two million, thirty-five thousand, two hundred fifty-three".