52971742 has 4 divisors (see below), whose sum is σ = 79457616. Its totient is φ = 26485870.

The previous prime is 52971739. The next prime is 52971757. The reversal of 52971742 is 24717925.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13242934 + ... + 13242937.

It is an arithmetic number, because the mean of its divisors is an integer number (19864404).

Almost surely, 2^52971742 is an apocalyptic number.

52971742 is a deficient number, since it is larger than the sum of its proper divisors (26485874).

52971742 is a wasteful number, since it uses less digits than its factorization.

52971742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26485873.

The product of its digits is 35280, while the sum is 37.

The square root of 52971742 is about 7278.1688631139. The cubic root of 52971742 is about 375.5618056153.

The spelling of 52971742 in words is "fifty-two million, nine hundred seventy-one thousand, seven hundred forty-two".