52909495 has 4 divisors (see below), whose sum is σ = 63491400. Its totient is φ = 42327592.

The previous prime is 52909487. The next prime is 52909511. The reversal of 52909495 is 59490925.

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 52909495 - 2³ = 52909487 is a prime.

It is a super-2 number, since 2×52909495² = 5598829322310050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5290945 + ... + 5290954.

It is an arithmetic number, because the mean of its divisors is an integer number (15872850).

Almost surely, 2^52909495 is an apocalyptic number.

52909495 is a deficient number, since it is larger than the sum of its proper divisors (10581905).

52909495 is a wasteful number, since it uses less digits than its factorization.

52909495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10581904.

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 52909495 is about 7273.8913244563. The cubic root of 52909495 is about 375.4146406187.

The spelling of 52909495 in words is "fifty-two million, nine hundred nine thousand, four hundred ninety-five".