75455456 has 48 divisors (see below), whose sum is σ = 156237984. Its totient is φ = 35802624.

The previous prime is 75455453. The next prime is 75455483. The reversal of 75455456 is 65455457.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75455453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115226 + ... + 115878.

It is an arithmetic number, because the mean of its divisors is an integer number (3254958).

Almost surely, 2^75455456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75455456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78118992).

75455456 is an abundant number, since it is smaller than the sum of its proper divisors (80782528).

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

75455456 is a wasteful number, since it uses less digits than its factorization.

75455456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 835 counting only the distinct ones).

The product of its digits is 420000, while the sum is 41.

The square root of 75455456 is about 8686.5100011455. The cubic root of 75455456 is about 422.5682692572.

Subtracting from 75455456 its reverse (65455457), we obtain a palindrome (9999999).

The spelling of 75455456 in words is "seventy-five million, four hundred fifty-five thousand, four hundred fifty-six".