53196557 has 4 divisors (see below), whose sum is σ = 54494076. Its totient is φ = 51899040.

The previous prime is 53196511. The next prime is 53196569. The reversal of 53196557 is 75569135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75569135 = 5 ⋅15113827.

It can be written as a sum of positive squares in 2 ways, for example, as 16883881 + 36312676 = 4109^2 + 6026^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53196557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1297477 = 53196557 / (5 + 3 + 1 + 9 + 6 + 5 + 5 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53193557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648698 + ... + 648779.

It is an arithmetic number, because the mean of its divisors is an integer number (13623519).

Almost surely, 2^53196557 is an apocalyptic number.

It is an amenable number.

53196557 is a deficient number, since it is larger than the sum of its proper divisors (1297519).

53196557 is a wasteful number, since it uses less digits than its factorization.

53196557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297518.

The product of its digits is 141750, while the sum is 41.

The square root of 53196557 is about 7293.5969863984. The cubic root of 53196557 is about 376.0923574428.

The spelling of 53196557 in words is "fifty-three million, one hundred ninety-six thousand, five hundred fifty-seven".