53821281374 has 64 divisors (see below), whose sum is σ = 94163005440. Its totient is φ = 22598044800.

The previous prime is 53821281373. The next prime is 53821281383. The reversal of 53821281374 is 47318212835.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53821281373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74855387 + ... + 74856105.

It is an arithmetic number, because the mean of its divisors is an integer number (1471296960).

Almost surely, 2^53821281374 is an apocalyptic number.

53821281374 is a deficient number, since it is larger than the sum of its proper divisors (40341724066).

53821281374 is a wasteful number, since it uses less digits than its factorization.

53821281374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313.

The product of its digits is 322560, while the sum is 44.

The spelling of 53821281374 in words is "fifty-three billion, eight hundred twenty-one million, two hundred eighty-one thousand, three hundred seventy-four".