51435242451054 has 96 divisors (see below), whose sum is σ = 138981472621056. Its totient is φ = 13356003332160.

The previous prime is 51435242451053. The next prime is 51435242451097. The reversal of 51435242451054 is 45015424253415.

51435242451054 is a `hidden beast` number, since 5 + 1 + 4 + 3 + 524 + 24 + 51 + 0 + 54 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51435242451053) 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, 401322 + ... + 10150445.

It is an arithmetic number, because the mean of its divisors is an integer number (1447723673136).

Almost surely, 2^{51435242451054} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51435242451054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69490736310528).

51435242451054 is an abundant number, since it is smaller than the sum of its proper divisors (87546230170002).

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

51435242451054 is a wasteful number, since it uses less digits than its factorization.

51435242451054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10555310 (or 10555307 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 45.

The spelling of 51435242451054 in words is "fifty-one trillion, four hundred thirty-five billion, two hundred forty-two million, four hundred fifty-one thousand, fifty-four".