53977123200000 has 4224 divisors, whose sum is σ = 249136706230272. Its totient is φ = 10027008000000.

The previous prime is 53977123199953. The next prime is 53977123200043. The reversal of 53977123200000 is 232177935.

It is a tau number, because it is divible by the number of its divisors (4224).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 393993599932 + ... + 393993600068.

Almost surely, 2^{53977123200000} is an apocalyptic number.

53977123200000 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 53977123200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124568353115136).

53977123200000 is an abundant number, since it is smaller than the sum of its proper divisors (195159583030272).

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

53977123200000 is a wasteful number, since it uses less digits than its factorization.

53977123200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 39.

Adding to 53977123200000 its reverse (232177935), we get a palindrome (53977355377935).

The spelling of 53977123200000 in words is "fifty-three trillion, nine hundred seventy-seven billion, one hundred twenty-three million, two hundred thousand".