53495491608 has 384 divisors, whose sum is σ = 175561888320. Its totient is φ = 15109079040.

The previous prime is 53495491601. The next prime is 53495491613. The reversal of 53495491608 is 80619459435.

53495491608 is a `hidden beast` number, since 5 + 3 + 4 + 95 + 491 + 60 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53495491601) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17613066 + ... + 17616102.

Almost surely, 2^53495491608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53495491608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87780944160).

53495491608 is an abundant number, since it is smaller than the sum of its proper divisors (122066396712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53495491608 is a wasteful number, since it uses less digits than its factorization.

53495491608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129 (or 3113 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 53495491608 in words is "fifty-three billion, four hundred ninety-five million, four hundred ninety-one thousand, six hundred eight".