75575500044 has 48 divisors (see below), whose sum is σ = 192393296256. Its totient is φ = 22899369600.

The previous prime is 75575500037. The next prime is 75575500051. The reversal of 75575500044 is 44000557557.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (75575500037) and next prime (75575500051).

It is a junction number, because it is equal to n+sod(n) for n = 75575499969 and 75575500005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1672719 + ... + 1717305.

It is an arithmetic number, because the mean of its divisors is an integer number (4008193672).

Almost surely, 2^75575500044 is an apocalyptic number.

It is an amenable number.

75575500044 is an abundant number, since it is smaller than the sum of its proper divisors (116817796212).

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

75575500044 is a wasteful number, since it uses less digits than its factorization.

75575500044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57446 (or 57444 counting only the distinct ones).

The product of its (nonzero) digits is 490000, while the sum is 42.

The spelling of 75575500044 in words is "seventy-five billion, five hundred seventy-five million, five hundred thousand, forty-four".