75855552 has 56 divisors (see below), whose sum is σ = 202820016. Its totient is φ = 25018368.

The previous prime is 75855551. The next prime is 75855553. The reversal of 75855552 is 25555857.

It is an interprime number because it is at equal distance from previous prime (75855551) and next prime (75855553).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75855551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16588 + ... + 20660.

It is an arithmetic number, because the mean of its divisors is an integer number (3621786).

Almost surely, 2^75855552 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 75855552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101410008).

75855552 is an abundant number, since it is smaller than the sum of its proper divisors (126964464).

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

75855552 is a wasteful number, since it uses less digits than its factorization.

75855552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185 (or 4175 counting only the distinct ones).

The product of its digits is 350000, while the sum is 42.

The square root of 75855552 is about 8709.5092858324. The cubic root of 75855552 is about 423.3138302269.

The spelling of 75855552 in words is "seventy-five million, eight hundred fifty-five thousand, five hundred fifty-two".