53894242793664 has 280 divisors, whose sum is σ = 196626979168928. Its totient is φ = 14213866106880.

The previous prime is 53894242793647. The next prime is 53894242793681. The reversal of 53894242793664 is 46639724249835.

It is a happy number.

53894242793664 is a `hidden beast` number, since 5 + 38 + 9 + 424 + 27 + 93 + 6 + 64 = 666.

It is an interprime number because it is at equal distance from previous prime (53894242793647) and next prime (53894242793681).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 53894242793592 and 53894242793601.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 56650597 + ... + 57594084.

Almost surely, 2^{53894242793664} is an apocalyptic number.

53894242793664 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

53894242793664 is an abundant number, since it is smaller than the sum of its proper divisors (142732736375264).

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

53894242793664 is a wasteful number, since it uses less digits than its factorization.

53894242793664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114244725 (or 114244706 counting only the distinct ones).

The product of its digits is 1881169920, while the sum is 72.

The spelling of 53894242793664 in words is "fifty-three trillion, eight hundred ninety-four billion, two hundred forty-two million, seven hundred ninety-three thousand, six hundred sixty-four".