52040505 has 32 divisors (see below), whose sum is σ = 91352448. Its totient is φ = 25088000.

The previous prime is 52040497. The next prime is 52040509. The reversal of 52040505 is 50504025.

It is not a de Polignac number, because 52040505 - 2³ = 52040497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52040509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31705 + ... + 33305.

It is an arithmetic number, because the mean of its divisors is an integer number (2854764).

Almost surely, 2^52040505 is an apocalyptic number.

52040505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52040505 is a deficient number, since it is larger than the sum of its proper divisors (39311943).

52040505 is a wasteful number, since it uses less digits than its factorization.

52040505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817.

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 52040505 is about 7213.9105206538. The cubic root of 52040505 is about 373.3480042243.

The spelling of 52040505 in words is "fifty-two million, forty thousand, five hundred five".