53032750 has 16 divisors (see below), whose sum is σ = 99277776. Its totient is φ = 21213000.

The previous prime is 53032747. The next prime is 53032783. The reversal of 53032750 is 5723035.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105816 + ... + 106315.

It is an arithmetic number, because the mean of its divisors is an integer number (6204861).

Almost surely, 2^53032750 is an apocalyptic number.

53032750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53032750 is a deficient number, since it is larger than the sum of its proper divisors (46245026).

53032750 is a wasteful number, since it uses less digits than its factorization.

53032750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212148 (or 212138 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 53032750 is about 7282.3588211513. The cubic root of 53032750 is about 375.7059295281.

Adding to 53032750 its reverse (5723035), we get a palindrome (58755785).

The spelling of 53032750 in words is "fifty-three million, thirty-two thousand, seven hundred fifty".