75455421348 has 48 divisors (see below), whose sum is σ = 177848637120. Its totient is φ = 24897110400.

The previous prime is 75455421343. The next prime is 75455421367. The reversal of 75455421348 is 84312455457.

It is a super-2 number, since 2×75455421348² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75455421297 and 75455421306.

It is not an unprimeable number, because it can be changed into a prime (75455421341) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1360603 + ... + 1414973.

It is an arithmetic number, because the mean of its divisors is an integer number (3705179940).

Almost surely, 2^75455421348 is an apocalyptic number.

It is an amenable number.

75455421348 is an abundant number, since it is smaller than the sum of its proper divisors (102393215772).

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

75455421348 is a wasteful number, since it uses less digits than its factorization.

75455421348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55548 (or 55546 counting only the distinct ones).

The product of its digits is 2688000, while the sum is 48.

The spelling of 75455421348 in words is "seventy-five billion, four hundred fifty-five million, four hundred twenty-one thousand, three hundred forty-eight".