53214869268 has 144 divisors (see below), whose sum is σ = 156877224000. Its totient is φ = 15569547840.

The previous prime is 53214869263. The next prime is 53214869269. The reversal of 53214869268 is 86296841235.

53214869268 is a `hidden beast` number, since 53 + 21 + 486 + 92 + 6 + 8 = 666.

It is a super-2 number, since 2×53214869268² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53214869263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 308763 + ... + 449181.

Almost surely, 2^53214869268 is an apocalyptic number.

53214869268 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53214869268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78438612000).

53214869268 is an abundant number, since it is smaller than the sum of its proper divisors (103662354732).

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

53214869268 is a wasteful number, since it uses less digits than its factorization.

53214869268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140483 (or 140464 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The spelling of 53214869268 in words is "fifty-three billion, two hundred fourteen million, eight hundred sixty-nine thousand, two hundred sixty-eight".