53553979355242 has 8 divisors (see below), whose sum is σ = 80332082282916. Its totient is φ = 26776618594272.

The previous prime is 53553979355213. The next prime is 53553979355249. The reversal of 53553979355242 is 24255397935535.

It can be written as a sum of positive squares in 2 ways, for example, as 49609779383241 + 3944199972001 = 7043421^2 + 1986001^2 .

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

It is not an unprimeable number, because it can be changed into a prime (53553979355249) 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, 185361243 + ... + 185649934.

Almost surely, 2^{53553979355242} is an apocalyptic number.

53553979355242 is a deficient number, since it is larger than the sum of its proper divisors (26778102927674).

53553979355242 is a wasteful number, since it uses less digits than its factorization.

53553979355242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371083352.

The product of its digits is 765450000, while the sum is 67.

The spelling of 53553979355242 in words is "fifty-three trillion, five hundred fifty-three billion, nine hundred seventy-nine million, three hundred fifty-five thousand, two hundred forty-two".