54203511450 has 192 divisors, whose sum is σ = 155611290240. Its totient is φ = 12340224000.

The previous prime is 54203511449. The next prime is 54203511511. The reversal of 54203511450 is 5411530245.

It is a super-2 number, since 2×54203511450² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14612196 + ... + 14615904.

It is an arithmetic number, because the mean of its divisors is an integer number (810475470).

Almost surely, 2^54203511450 is an apocalyptic number.

54203511450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 54203511450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77805645120).

54203511450 is an abundant number, since it is smaller than the sum of its proper divisors (101407778790).

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

54203511450 is a wasteful number, since it uses less digits than its factorization.

54203511450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4273 (or 4268 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 54203511450 in words is "fifty-four billion, two hundred three million, five hundred eleven thousand, four hundred fifty".