52571999424 has 56 divisors (see below), whose sum is σ = 158967716608. Its totient is φ = 15020570880.

The previous prime is 52571999411. The next prime is 52571999437. The reversal of 52571999424 is 42499917525.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52571999411) and next prime (52571999437).

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19556692 + ... + 19559379.

Almost surely, 2^52571999424 is an apocalyptic number.

It is an amenable number.

52571999424 is an abundant number, since it is smaller than the sum of its proper divisors (106395717184).

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

52571999424 is a wasteful number, since it uses less digits than its factorization.

52571999424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39116093 (or 39116083 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 57.

The spelling of 52571999424 in words is "fifty-two billion, five hundred seventy-one million, nine hundred ninety-nine thousand, four hundred twenty-four".