72553052 has 54 divisors (see below), whose sum is σ = 151291224. Its totient is φ = 30407520.

The previous prime is 72553049. The next prime is 72553057. The reversal of 72553052 is 25035527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72553057) 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 17 ways as a sum of consecutive naturals, for example, 81353 + ... + 82239.

Almost surely, 2^72553052 is an apocalyptic number.

It is an amenable number.

72553052 is an abundant number, since it is smaller than the sum of its proper divisors (78738172).

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

72553052 is a wasteful number, since it uses less digits than its factorization.

72553052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 72553052 is about 8517.8079339699. The cubic root of 72553052 is about 417.0792289846.

Adding to 72553052 its reverse (25035527), we get a palindrome (97588579).

The spelling of 72553052 in words is "seventy-two million, five hundred fifty-three thousand, fifty-two".