52154252051 has 4 divisors (see below), whose sum is σ = 56895547704. Its totient is φ = 47412956400.

The previous prime is 52154252021. The next prime is 52154252147. The reversal of 52154252051 is 15025245125.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52154252051 - 2²² = 52150057747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52154251999 and 52154252017.

It is not an unprimeable number, because it can be changed into a prime (52154252021) 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, 2370647810 + ... + 2370647831.

It is an arithmetic number, because the mean of its divisors is an integer number (14223886926).

Almost surely, 2^52154252051 is an apocalyptic number.

52154252051 is a deficient number, since it is larger than the sum of its proper divisors (4741295653).

52154252051 is a wasteful number, since it uses less digits than its factorization.

52154252051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741295652.

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 52154252051 its reverse (15025245125), we get a palindrome (67179497176).

The spelling of 52154252051 in words is "fifty-two billion, one hundred fifty-four million, two hundred fifty-two thousand, fifty-one".