53994128337 has 24 divisors (see below), whose sum is σ = 80916291456. Its totient is φ = 35979975792.

The previous prime is 53994128291. The next prime is 53994128381. The reversal of 53994128337 is 73382149935.

53994128337 is a `hidden beast` number, since 539 + 94 + 12 + 8 + 3 + 3 + 7 = 666.

It is not a de Polignac number, because 53994128337 - 2¹² = 53994124241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53994128137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 507163 + ... + 604319.

It is an arithmetic number, because the mean of its divisors is an integer number (3371512144).

Almost surely, 2^53994128337 is an apocalyptic number.

It is an amenable number.

53994128337 is a deficient number, since it is larger than the sum of its proper divisors (26922163119).

53994128337 is an equidigital number, since it uses as much as digits as its factorization.

53994128337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99459 (or 99447 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The spelling of 53994128337 in words is "fifty-three billion, nine hundred ninety-four million, one hundred twenty-eight thousand, three hundred thirty-seven".