52354435540 has 24 divisors (see below), whose sum is σ = 119939252832. Its totient is φ = 19037976480.

The previous prime is 52354435537. The next prime is 52354435579. The reversal of 52354435540 is 4553445325.

It is a junction number, because it is equal to n+sod(n) for n = 52354435493 and 52354435502.

It is a congruent number.

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, 118987134 + ... + 118987573.

It is an arithmetic number, because the mean of its divisors is an integer number (4997468868).

Almost surely, 2^52354435540 is an apocalyptic number.

It is an amenable number.

52354435540 is an abundant number, since it is smaller than the sum of its proper divisors (67584817292).

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

52354435540 is a wasteful number, since it uses less digits than its factorization.

52354435540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237974727 (or 237974725 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 40.

The spelling of 52354435540 in words is "fifty-two billion, three hundred fifty-four million, four hundred thirty-five thousand, five hundred forty".