53525028 has 48 divisors (see below), whose sum is σ = 127733760. Its totient is φ = 17440800.

The previous prime is 53525009. The next prime is 53525029. The reversal of 53525028 is 82052535.

It is a junction number, because it is equal to n+sod(n) for n = 53524986 and 53525004.

It is not an unprimeable number, because it can be changed into a prime (53525029) 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 15 ways as a sum of consecutive naturals, for example, 123973 + ... + 124403.

It is an arithmetic number, because the mean of its divisors is an integer number (2661120).

Almost surely, 2^53525028 is an apocalyptic number.

It is an amenable number.

53525028 is an abundant number, since it is smaller than the sum of its proper divisors (74208732).

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

53525028 is a wasteful number, since it uses less digits than its factorization.

53525028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 53525028 is about 7316.0800979760. The cubic root of 53525028 is about 376.8648512843.

The spelling of 53525028 in words is "fifty-three million, five hundred twenty-five thousand, twenty-eight".