53418234881450 has 96 divisors (see below), whose sum is σ = 101577495052800. Its totient is φ = 20893985925120.

The previous prime is 53418234881443. The next prime is 53418234881603. The reversal of 53418234881450 is 5418843281435.

It is a super-2 number, since 2×53418234881450² (a number of 28 digits) contains 22 as substring.

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, 693497639 + ... + 693574661.

It is an arithmetic number, because the mean of its divisors is an integer number (1058098906800).

Almost surely, 2^{53418234881450} is an apocalyptic number.

53418234881450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53418234881450 is a deficient number, since it is larger than the sum of its proper divisors (48159260171350).

53418234881450 is a wasteful number, since it uses less digits than its factorization.

53418234881450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78336 (or 78331 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 56.

The spelling of 53418234881450 in words is "fifty-three trillion, four hundred eighteen billion, two hundred thirty-four million, eight hundred eighty-one thousand, four hundred fifty".