53661029271 has 8 divisors (see below), whose sum is σ = 71688606960. Its totient is φ = 35703735552.

The previous prime is 53661029263. The next prime is 53661029291. The reversal of 53661029271 is 17292016635.

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

It is not a de Polignac number, because 53661029271 - 2³ = 53661029263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53661029291) 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, 17569210 + ... + 17572263.

It is an arithmetic number, because the mean of its divisors is an integer number (8961075870).

Almost surely, 2^53661029271 is an apocalyptic number.

53661029271 is a deficient number, since it is larger than the sum of its proper divisors (18027577689).

53661029271 is a wasteful number, since it uses less digits than its factorization.

53661029271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35141985.

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 53661029271 in words is "fifty-three billion, six hundred sixty-one million, twenty-nine thousand, two hundred seventy-one".