51053481024 has 336 divisors, whose sum is σ = 169852652928. Its totient is φ = 13453590528.

The previous prime is 51053481001. The next prime is 51053481029. The reversal of 51053481024 is 42018435015.

It is a tau number, because it is divible by the number of its divisors (336).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51053481029) 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, 41949664 + ... + 41950880.

It is an arithmetic number, because the mean of its divisors is an integer number (505513848).

Almost surely, 2^51053481024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51053481024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84926326464).

51053481024 is an abundant number, since it is smaller than the sum of its proper divisors (118799171904).

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

51053481024 is an equidigital number, since it uses as much as digits as its factorization.

51053481024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 51053481024 in words is "fifty-one billion, fifty-three million, four hundred eighty-one thousand, twenty-four".