52111357 has 4 divisors (see below), whose sum is σ = 54854080. Its totient is φ = 49368636.

The previous prime is 52111291. The next prime is 52111361. The reversal of 52111357 is 75311125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52111357 - 2⁷ = 52111229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52111757) 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, 1371333 + ... + 1371370.

It is an arithmetic number, because the mean of its divisors is an integer number (13713520).

Almost surely, 2^52111357 is an apocalyptic number.

It is an amenable number.

52111357 is a deficient number, since it is larger than the sum of its proper divisors (2742723).

52111357 is a wasteful number, since it uses less digits than its factorization.

52111357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742722.

The product of its digits is 1050, while the sum is 25.

The square root of 52111357 is about 7218.8196403567. The cubic root of 52111357 is about 373.5173624134.

The spelling of 52111357 in words is "fifty-two million, one hundred eleven thousand, three hundred fifty-seven".