53894503656 has 512 divisors, whose sum is σ = 188682240000. Its totient is φ = 13907220480.

The previous prime is 53894503651. The next prime is 53894503681. The reversal of 53894503656 is 65630549835.

It is a happy number.

53894503656 is a `hidden beast` number, since 5 + 3 + 89 + 4 + 503 + 6 + 56 = 666.

53894503656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (53894503651) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 65011050 + ... + 65011878.

It is an arithmetic number, because the mean of its divisors is an integer number (368520000).

Almost surely, 2^53894503656 is an apocalyptic number.

53894503656 is a gapful number since it is divisible by the number (56) 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 53894503656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94341120000).

53894503656 is an abundant number, since it is smaller than the sum of its proper divisors (134787736344).

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

53894503656 is a wasteful number, since it uses less digits than its factorization.

53894503656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 54.

The spelling of 53894503656 in words is "fifty-three billion, eight hundred ninety-four million, five hundred three thousand, six hundred fifty-six".