53042371449 has 32 divisors (see below), whose sum is σ = 78856208640. Its totient is φ = 31542331392.

The previous prime is 53042371427. The next prime is 53042371451. The reversal of 53042371449 is 94417324035.

It is a happy number.

It is not a de Polignac number, because 53042371449 - 2²⁸ = 52773935993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53042371449.

It is not an unprimeable number, because it can be changed into a prime (53042370449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79572 + ... + 335285.

It is an arithmetic number, because the mean of its divisors is an integer number (2464256520).

Almost surely, 2^53042371449 is an apocalyptic number.

It is an amenable number.

53042371449 is a deficient number, since it is larger than the sum of its proper divisors (25813837191).

53042371449 is a wasteful number, since it uses less digits than its factorization.

53042371449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415009.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 53042371449 in words is "fifty-three billion, forty-two million, three hundred seventy-one thousand, four hundred forty-nine".