53011895 has 8 divisors (see below), whose sum is σ = 66380256. Its totient is φ = 40565536.

The previous prime is 53011877. The next prime is 53011909. The reversal of 53011895 is 59811035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53011895 - 2¹⁰ = 53010871 is a prime.

It is a super-2 number, since 2×53011895² = 5620522022982050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230372 + ... + 230601.

It is an arithmetic number, because the mean of its divisors is an integer number (8297532).

Almost surely, 2^53011895 is an apocalyptic number.

53011895 is a deficient number, since it is larger than the sum of its proper divisors (13368361).

53011895 is a wasteful number, since it uses less digits than its factorization.

53011895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461001.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 53011895 is about 7280.9267954018. The cubic root of 53011895 is about 375.6566745899.

The spelling of 53011895 in words is "fifty-three million, eleven thousand, eight hundred ninety-five".