53198511 has 8 divisors (see below), whose sum is σ = 73219584. Its totient is φ = 34321560.

The previous prime is 53198503. The next prime is 53198533. The reversal of 53198511 is 11589135.

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

It is not a de Polignac number, because 53198511 - 2³ = 53198503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53198111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285921 + ... + 286106.

It is an arithmetic number, because the mean of its divisors is an integer number (9152448).

Almost surely, 2^53198511 is an apocalyptic number.

53198511 is a deficient number, since it is larger than the sum of its proper divisors (20021073).

53198511 is a wasteful number, since it uses less digits than its factorization.

53198511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572061.

The product of its digits is 5400, while the sum is 33.

The square root of 53198511 is about 7293.7309382784. The cubic root of 53198511 is about 376.0969622237.

It can be divided in two parts, 531985 and 11, that added together give a triangular number (531996 = T₁₀₃₁).

The spelling of 53198511 in words is "fifty-three million, one hundred ninety-eight thousand, five hundred eleven".