53773120800 has 864 divisors, whose sum is σ = 226289516544. Its totient is φ = 11757312000.

The previous prime is 53773120783. The next prime is 53773120859. The reversal of 53773120800 is 802137735.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 198424665 + ... + 198424935.

Almost surely, 2^53773120800 is an apocalyptic number.

53773120800 is a gapful number since it is divisible by the number (50) 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 53773120800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113144758272).

53773120800 is an abundant number, since it is smaller than the sum of its proper divisors (172516395744).

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

53773120800 is a wasteful number, since it uses less digits than its factorization.

53773120800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 53773120800 in words is "fifty-three billion, seven hundred seventy-three million, one hundred twenty thousand, eight hundred".