51432540453 has 48 divisors (see below), whose sum is σ = 88625961216. Its totient is φ = 28102694400.

The previous prime is 51432540451. The next prime is 51432540473. The reversal of 51432540453 is 35404523415.

51432540453 is a `hidden beast` number, since 5 + 143 + 25 + 40 + 453 = 666.

It is not a de Polignac number, because 51432540453 - 2¹ = 51432540451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51432540451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7672003 + ... + 7678703.

It is an arithmetic number, because the mean of its divisors is an integer number (1846374192).

Almost surely, 2^51432540453 is an apocalyptic number.

It is an amenable number.

51432540453 is a deficient number, since it is larger than the sum of its proper divisors (37193420763).

51432540453 is a wasteful number, since it uses less digits than its factorization.

51432540453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12034 (or 12031 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 51432540453 in words is "fifty-one billion, four hundred thirty-two million, five hundred forty thousand, four hundred fifty-three".