53281854402 has 64 divisors (see below), whose sum is σ = 124481111040. Its totient is φ = 14889260736.

The previous prime is 53281854397. The next prime is 53281854443. The reversal of 53281854402 is 20445818235.

53281854402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 433593 + ... + 542739.

It is an arithmetic number, because the mean of its divisors is an integer number (1945017360).

Almost surely, 2^53281854402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53281854402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62240555520).

53281854402 is an abundant number, since it is smaller than the sum of its proper divisors (71199256638).

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

53281854402 is a wasteful number, since it uses less digits than its factorization.

53281854402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109415.

The product of its (nonzero) digits is 307200, while the sum is 42.

The spelling of 53281854402 in words is "fifty-three billion, two hundred eighty-one million, eight hundred fifty-four thousand, four hundred two".