7545552 has 80 divisors (see below), whose sum is σ = 23605632. Its totient is φ = 2027520.

The previous prime is 7545547. The next prime is 7545553. The reversal of 7545552 is 2555457.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7545553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5052 + ... + 6372.

Almost surely, 2^7545552 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 7545552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11802816).

7545552 is an abundant number, since it is smaller than the sum of its proper divisors (16060080).

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

7545552 is a wasteful number, since it uses less digits than its factorization.

7545552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356 (or 1350 counting only the distinct ones).

The product of its digits is 35000, while the sum is 33.

The square root of 7545552 is about 2746.9168170878. The cubic root of 7545552 is about 196.1388714561.

The spelling of 7545552 in words is "seven million, five hundred forty-five thousand, five hundred fifty-two".