75507552 has 60 divisors (see below), whose sum is σ = 222073236. Its totient is φ = 25168320.

The previous prime is 75507541. The next prime is 75507559. The reversal of 75507552 is 25570557.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75507559) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11974 + ... + 17157.

Almost surely, 2^75507552 is an apocalyptic number.

75507552 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

75507552 is an abundant number, since it is smaller than the sum of its proper divisors (146565684).

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

75507552 is a wasteful number, since it uses less digits than its factorization.

75507552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29153 (or 29136 counting only the distinct ones).

The product of its (nonzero) digits is 61250, while the sum is 36.

The square root of 75507552 is about 8689.5081563918. The cubic root of 75507552 is about 422.6654968284.

The spelling of 75507552 in words is "seventy-five million, five hundred seven thousand, five hundred fifty-two".