53274927661 has 8 divisors (see below), whose sum is σ = 53688463520. Its totient is φ = 52862449392.

The previous prime is 53274927637. The next prime is 53274927689. The reversal of 53274927661 is 16672947235.

It is a happy number.

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 53274927661 - 2¹³ = 53274919469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53274927599 and 53274927608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53274925661) 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, 163110 + ... + 364903.

It is an arithmetic number, because the mean of its divisors is an integer number (6711057940).

Almost surely, 2^53274927661 is an apocalyptic number.

It is an amenable number.

53274927661 is a deficient number, since it is larger than the sum of its proper divisors (413535859).

53274927661 is a wasteful number, since it uses less digits than its factorization.

53274927661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528795.

The product of its digits is 3810240, while the sum is 52.

The spelling of 53274927661 in words is "fifty-three billion, two hundred seventy-four million, nine hundred twenty-seven thousand, six hundred sixty-one".