53727658197 has 8 divisors (see below), whose sum is σ = 74751524544. Its totient is φ = 34261115328.

The previous prime is 53727658169. The next prime is 53727658223. The reversal of 53727658197 is 79185672735.

It is a happy number.

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

It is not a de Polignac number, because 53727658197 - 2¹⁵ = 53727625429 is a prime.

It is a super-2 number, since 2×53727658197² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53727658197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53727657197) 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, 389330788 + ... + 389330925.

It is an arithmetic number, because the mean of its divisors is an integer number (9343940568).

Almost surely, 2^53727658197 is an apocalyptic number.

It is an amenable number.

53727658197 is a deficient number, since it is larger than the sum of its proper divisors (21023866347).

53727658197 is a wasteful number, since it uses less digits than its factorization.

53727658197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778661739.

The product of its digits is 22226400, while the sum is 60.

The spelling of 53727658197 in words is "fifty-three billion, seven hundred twenty-seven million, six hundred fifty-eight thousand, one hundred ninety-seven".