55731311032553 has 8 divisors (see below), whose sum is σ = 60018470366400. Its totient is φ = 51444171042768.

The previous prime is 55731311032511. The next prime is 55731311032561. The reversal of 55731311032553 is 35523011313755.

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 55731311032553 - 2¹² = 55731311028457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55731311032253) 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, 1450388 + ... + 10656746.

It is an arithmetic number, because the mean of its divisors is an integer number (7502308795800).

Almost surely, 2^{55731311032553} is an apocalyptic number.

It is an amenable number.

55731311032553 is a deficient number, since it is larger than the sum of its proper divisors (4287159333847).

55731311032553 is a wasteful number, since it uses less digits than its factorization.

55731311032553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9672031.

The product of its (nonzero) digits is 708750, while the sum is 44.

The spelling of 55731311032553 in words is "fifty-five trillion, seven hundred thirty-one billion, three hundred eleven million, thirty-two thousand, five hundred fifty-three".