53525030 has 32 divisors (see below), whose sum is σ = 104328000. Its totient is φ = 19654272.

The previous prime is 53525029. The next prime is 53525041. The reversal of 53525030 is 3052535.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53524987 and 53525005.

It is a congruent number.

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, 24836 + ... + 26904.

It is an arithmetic number, because the mean of its divisors is an integer number (3260250).

Almost surely, 2^53525030 is an apocalyptic number.

53525030 is a deficient number, since it is larger than the sum of its proper divisors (50802970).

53525030 is a wasteful number, since it uses less digits than its factorization.

53525030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 53525030 is about 7316.0802346612. The cubic root of 53525030 is about 376.8648559782.

Adding to 53525030 its reverse (3052535), we get a palindrome (56577565).

The spelling of 53525030 in words is "fifty-three million, five hundred twenty-five thousand, thirty".