52131551670 has 96 divisors (see below), whose sum is σ = 152804423520. Its totient is φ = 12637944000.

The previous prime is 52131551653. The next prime is 52131551723. The reversal of 52131551670 is 7615513125.

It is a happy number.

52131551670 is a `hidden beast` number, since 5 + 2 + 1 + 31 + 551 + 6 + 70 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 765181 + ... + 830520.

It is an arithmetic number, because the mean of its divisors is an integer number (1591712745).

Almost surely, 2^52131551670 is an apocalyptic number.

52131551670 is an abundant number, since it is smaller than the sum of its proper divisors (100672871850).

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

52131551670 is a wasteful number, since it uses less digits than its factorization.

52131551670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595739 (or 1595722 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

It can be divided in two parts, 521315 and 51670, that added together give a triangular number (572985 = T₁₀₇₀).

The spelling of 52131551670 in words is "fifty-two billion, one hundred thirty-one million, five hundred fifty-one thousand, six hundred seventy".