53863849394400 has 144 divisors (see below), whose sum is σ = 176487935799168. Its totient is φ = 14268569280000.

The previous prime is 53863849394293. The next prime is 53863849394417. The reversal of 53863849394400 is 449394836835.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73953066 + ... + 74677865.

It is an arithmetic number, because the mean of its divisors is an integer number (1225610665272).

Almost surely, 2^{53863849394400} is an apocalyptic number.

53863849394400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53863849394400 is an abundant number, since it is smaller than the sum of its proper divisors (122624086404768).

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

53863849394400 is a wasteful number, since it uses less digits than its factorization.

53863849394400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148631105 (or 148631092 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 66.

The spelling of 53863849394400 in words is "fifty-three trillion, eight hundred sixty-three billion, eight hundred forty-nine million, three hundred ninety-four thousand, four hundred".