52015504451 has 4 divisors (see below), whose sum is σ = 54753162600. Its totient is φ = 49277846304.

The previous prime is 52015504417. The next prime is 52015504459. The reversal of 52015504451 is 15440551025.

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 52015504451 - 2¹⁴ = 52015488067 is a prime.

It is a super-2 number, since 2×52015504451² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52015504459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368829046 + ... + 1368829083.

It is an arithmetic number, because the mean of its divisors is an integer number (13688290650).

Almost surely, 2^52015504451 is an apocalyptic number.

52015504451 is a deficient number, since it is larger than the sum of its proper divisors (2737658149).

52015504451 is a wasteful number, since it uses less digits than its factorization.

52015504451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737658148.

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

The spelling of 52015504451 in words is "fifty-two billion, fifteen million, five hundred four thousand, four hundred fifty-one".