5421020523450 has 96 divisors (see below), whose sum is σ = 15408248201856. Its totient is φ = 1235580149760.

The previous prime is 5421020523419. The next prime is 5421020523461. The reversal of 5421020523450 is 543250201245.

It is a happy number.

It is a super-3 number, since 3×5421020523450³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6942207 + ... + 7683506.

It is an arithmetic number, because the mean of its divisors is an integer number (160502585436).

Almost surely, 2^{5421020523450} is an apocalyptic number.

5421020523450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5421020523450 is an abundant number, since it is smaller than the sum of its proper divisors (9987227678406).

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

5421020523450 is a wasteful number, since it uses less digits than its factorization.

5421020523450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14626088 (or 14626083 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 5421020523450 its reverse (543250201245), we get a palindrome (5964270724695).

The spelling of 5421020523450 in words is "five trillion, four hundred twenty-one billion, twenty million, five hundred twenty-three thousand, four hundred fifty".