53953494840 has 96 divisors (see below), whose sum is σ = 200398704480. Its totient is φ = 12332226816.

The previous prime is 53953494839. The next prime is 53953494841. The reversal of 53953494840 is 4849435935.

It is an interprime number because it is at equal distance from previous prime (53953494839) and next prime (53953494841).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53953494841) 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, 10702539 + ... + 10707578.

It is an arithmetic number, because the mean of its divisors is an integer number (2087486505).

Almost surely, 2^53953494840 is an apocalyptic number.

It is an amenable number.

53953494840 is an abundant number, since it is smaller than the sum of its proper divisors (146445209640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53953494840 is a wasteful number, since it uses less digits than its factorization.

53953494840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21410141 (or 21410134 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 53953494840 in words is "fifty-three billion, nine hundred fifty-three million, four hundred ninety-four thousand, eight hundred forty".