53501261450 has 48 divisors (see below), whose sum is σ = 122476744320. Its totient is φ = 16932265920.

The previous prime is 53501261447. The next prime is 53501261467. The reversal of 53501261450 is 5416210535.

It is a super-2 number, since 2×53501261450² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5874710 + ... + 5883809.

It is an arithmetic number, because the mean of its divisors is an integer number (2551598840).

Almost surely, 2^53501261450 is an apocalyptic number.

53501261450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53501261450 is an abundant number, since it is smaller than the sum of its proper divisors (68975482870).

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

53501261450 is a wasteful number, since it uses less digits than its factorization.

53501261450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11758551 (or 11758546 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 53501261450 its reverse (5416210535), we get a palindrome (58917471985).

The spelling of 53501261450 in words is "fifty-three billion, five hundred one million, two hundred sixty-one thousand, four hundred fifty".