52685373690 has 48 divisors (see below), whose sum is σ = 138262202208. Its totient is φ = 13918127328.

The previous prime is 52685373677. The next prime is 52685373739. The reversal of 52685373690 is 9637358625.

It is a happy number.

52685373690 is a `hidden beast` number, since 5 + 268 + 5 + 373 + 6 + 9 + 0 = 666.

It is a super-2 number, since 2×52685373690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2725852 + ... + 2745111.

It is an arithmetic number, because the mean of its divisors is an integer number (2880462546).

Almost surely, 2^52685373690 is an apocalyptic number.

52685373690 is an abundant number, since it is smaller than the sum of its proper divisors (85576828518).

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

52685373690 is a wasteful number, since it uses less digits than its factorization.

52685373690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471083 (or 5471080 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 52685373690 in words is "fifty-two billion, six hundred eighty-five million, three hundred seventy-three thousand, six hundred ninety".