53354485881445 has 48 divisors (see below), whose sum is σ = 77737299212160. Its totient is φ = 34985966015616.

The previous prime is 53354485881439. The next prime is 53354485881547. The reversal of 53354485881445 is 54418858445335.

It is not a de Polignac number, because 53354485881445 - 2²¹ = 53354483784293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20041899 + ... + 22547431.

It is an arithmetic number, because the mean of its divisors is an integer number (1619527066920).

Almost surely, 2^{53354485881445} is an apocalyptic number.

It is an amenable number.

53354485881445 is a deficient number, since it is larger than the sum of its proper divisors (24382813330715).

53354485881445 is a wasteful number, since it uses less digits than its factorization.

53354485881445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509354 (or 2509347 counting only the distinct ones).

The product of its digits is 737280000, while the sum is 67.

The spelling of 53354485881445 in words is "fifty-three trillion, three hundred fifty-four billion, four hundred eighty-five million, eight hundred eighty-one thousand, four hundred forty-five".