53502303450 has 48 divisors (see below), whose sum is σ = 133427040480. Its totient is φ = 14187568320.

The previous prime is 53502303383. The next prime is 53502303479. The reversal of 53502303450 is 5430320535.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 969469 + ... + 1023168.

It is an arithmetic number, because the mean of its divisors is an integer number (2779730010).

Almost surely, 2^53502303450 is an apocalyptic number.

53502303450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53502303450 is an abundant number, since it is smaller than the sum of its proper divisors (79924737030).

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

53502303450 is a wasteful number, since it uses less digits than its factorization.

53502303450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992831 (or 1992826 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 30.

Adding to 53502303450 its reverse (5430320535), we get a palindrome (58932623985).

The spelling of 53502303450 in words is "fifty-three billion, five hundred two million, three hundred three thousand, four hundred fifty".