52672154309 has 4 divisors (see below), whose sum is σ = 52859599980. Its totient is φ = 52484708640.

The previous prime is 52672154287. The next prime is 52672154329. The reversal of 52672154309 is 90345127625.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46906030084 + 5766124225 = 216578^2 + 75935^2 .

It is a cyclic number.

It is not a de Polignac number, because 52672154309 - 2¹² = 52672150213 is a prime.

It is a super-2 number, since 2×52672154309² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52672154309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52672154329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93722414 + ... + 93722975.

It is an arithmetic number, because the mean of its divisors is an integer number (13214899995).

Almost surely, 2^52672154309 is an apocalyptic number.

It is an amenable number.

52672154309 is a deficient number, since it is larger than the sum of its proper divisors (187445671).

52672154309 is a wasteful number, since it uses less digits than its factorization.

52672154309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187445670.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 52672154309 in words is "fifty-two billion, six hundred seventy-two million, one hundred fifty-four thousand, three hundred nine".