53954466391 has 12 divisors (see below), whose sum is σ = 63557836320. Its totient is φ = 45661281120.

The previous prime is 53954466373. The next prime is 53954466439. The reversal of 53954466391 is 19366445935.

It is not a de Polignac number, because 53954466391 - 2¹³ = 53954458199 is a prime.

It is a super-2 number, since 2×53954466391² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53954466311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6965190 + ... + 6972931.

It is an arithmetic number, because the mean of its divisors is an integer number (5296486360).

Almost surely, 2^53954466391 is an apocalyptic number.

53954466391 is a deficient number, since it is larger than the sum of its proper divisors (9603369929).

53954466391 is a wasteful number, since it uses less digits than its factorization.

53954466391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13938214 (or 13938207 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 55.

The spelling of 53954466391 in words is "fifty-three billion, nine hundred fifty-four million, four hundred sixty-six thousand, three hundred ninety-one".