52142735 has 4 divisors (see below), whose sum is σ = 62571288. Its totient is φ = 41714184.

The previous prime is 52142729. The next prime is 52142737. The reversal of 52142735 is 53724125.

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 52142735 - 2¹⁰ = 52141711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52142698 and 52142707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52142737) 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, 5214269 + ... + 5214278.

It is an arithmetic number, because the mean of its divisors is an integer number (15642822).

Almost surely, 2^52142735 is an apocalyptic number.

52142735 is a deficient number, since it is larger than the sum of its proper divisors (10428553).

52142735 is a wasteful number, since it uses less digits than its factorization.

52142735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10428552.

The product of its digits is 8400, while the sum is 29.

The square root of 52142735 is about 7220.9926602926. The cubic root of 52142735 is about 373.5923164918.

The spelling of 52142735 in words is "fifty-two million, one hundred forty-two thousand, seven hundred thirty-five".