52140473 has 12 divisors (see below), whose sum is σ = 65499840. Its totient is φ = 40628280.

The previous prime is 52140461. The next prime is 52140497. The reversal of 52140473 is 37404125.

It is not a de Polignac number, because 52140473 - 2⁴ = 52140457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52140073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29933 + ... + 31626.

It is an arithmetic number, because the mean of its divisors is an integer number (5458320).

Almost surely, 2^52140473 is an apocalyptic number.

It is an amenable number.

52140473 is a deficient number, since it is larger than the sum of its proper divisors (13359367).

52140473 is a wasteful number, since it uses less digits than its factorization.

52140473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61588 (or 61577 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 52140473 is about 7220.8360319287. The cubic root of 52140473 is about 373.5869141537.

Adding to 52140473 its reverse (37404125), we get a palindrome (89544598).

The spelling of 52140473 in words is "fifty-two million, one hundred forty thousand, four hundred seventy-three".