52142328161550 has 288 divisors, whose sum is σ = 153293798211840. Its totient is φ = 12601794931200.

The previous prime is 52142328161549. The next prime is 52142328161551. The reversal of 52142328161550 is 5516182324125.

52142328161550 is a `hidden beast` number, since 5 + 2 + 1 + 4 + 2 + 3 + 28 + 1 + 615 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (52142328161549) and next prime (52142328161551).

It is a super-2 number, since 2×52142328161550² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 52142328161496 and 52142328161505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52142328161551) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2490190981 + ... + 2490211919.

It is an arithmetic number, because the mean of its divisors is an integer number (532270132680).

Almost surely, 2^{52142328161550} is an apocalyptic number.

52142328161550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52142328161550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76646899105920).

52142328161550 is an abundant number, since it is smaller than the sum of its proper divisors (101151470050290).

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

52142328161550 is a wasteful number, since it uses less digits than its factorization.

52142328161550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22488 (or 22480 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 52142328161550 in words is "fifty-two trillion, one hundred forty-two billion, three hundred twenty-eight million, one hundred sixty-one thousand, five hundred fifty".