53407200000 has 1296 divisors, whose sum is σ = 235300439808. Its totient is φ = 10444800000.

The previous prime is 53407199981. The next prime is 53407200019. The reversal of 53407200000 is 270435.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53407199981) and next prime (53407200019).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 53407200000.

It is a congruent number.

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, 3141599992 + ... + 3141600008.

Almost surely, 2^53407200000 is an apocalyptic number.

53407200000 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 53407200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117650219904).

53407200000 is an abundant number, since it is smaller than the sum of its proper divisors (181893239808).

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

53407200000 is an equidigital number, since it uses as much as digits as its factorization.

53407200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

Adding to 53407200000 its reverse (270435), we get a palindrome (53407470435).

The spelling of 53407200000 in words is "fifty-three billion, four hundred seven million, two hundred thousand".