53815386153381 has 8 divisors (see below), whose sum is σ = 71753927973120. Its totient is φ = 35876884217952.

The previous prime is 53815386153323. The next prime is 53815386153391. The reversal of 53815386153381 is 18335168351835.

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

It is not a de Polignac number, because 53815386153381 - 2⁶ = 53815386153317 is a prime.

It is a super-2 number, since 2×53815386153381² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53815386153391) 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, 6666261 + ... + 12331658.

It is an arithmetic number, because the mean of its divisors is an integer number (8969240996640).

Almost surely, 2^{53815386153381} is an apocalyptic number.

It is an amenable number.

53815386153381 is a deficient number, since it is larger than the sum of its proper divisors (17938541819739).

53815386153381 is a wasteful number, since it uses less digits than its factorization.

53815386153381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19942155.

The product of its digits is 31104000, while the sum is 60.

The spelling of 53815386153381 in words is "fifty-three trillion, eight hundred fifteen billion, three hundred eighty-six million, one hundred fifty-three thousand, three hundred eighty-one".