53198057 has 16 divisors (see below), whose sum is σ = 60853248. Its totient is φ = 46033680.

The previous prime is 53198053. The next prime is 53198063. The reversal of 53198057 is 75089135.

It is not a de Polignac number, because 53198057 - 2² = 53198053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53198057.

It is not an unprimeable number, because it can be changed into a prime (53198051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71228 + ... + 71970.

It is an arithmetic number, because the mean of its divisors is an integer number (3803328).

Almost surely, 2^53198057 is an apocalyptic number.

It is an amenable number.

53198057 is a deficient number, since it is larger than the sum of its proper divisors (7655191).

53198057 is a wasteful number, since it uses less digits than its factorization.

53198057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 53198057 is about 7293.6998155943. The cubic root of 53198057 is about 376.0958923409.

The spelling of 53198057 in words is "fifty-three million, one hundred ninety-eight thousand, fifty-seven".