53378777088 has 960 divisors, whose sum is σ = 208964376720. Its totient is φ = 13249806336.

The previous prime is 53378777083. The next prime is 53378777107. The reversal of 53378777088 is 88077787335.

53378777088 is a `hidden beast` number, since 53 + 378 + 77 + 70 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53378777083) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3139928056 + ... + 3139928072.

Almost surely, 2^53378777088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53378777088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104482188360).

53378777088 is an abundant number, since it is smaller than the sum of its proper divisors (155585599632).

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

53378777088 is an equidigital number, since it uses as much as digits as its factorization.

53378777088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 55319040, while the sum is 63.

The spelling of 53378777088 in words is "fifty-three billion, three hundred seventy-eight million, seven hundred seventy-seven thousand, eighty-eight".