52745750 has 48 divisors (see below), whose sum is σ = 102368448. Its totient is φ = 20341200.

The previous prime is 52745743. The next prime is 52745773. The reversal of 52745750 is 5754725.

It is a happy number.

It is a super-2 number, since 2×52745750² = 5564228286125000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52745750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 787217 + ... + 787283.

It is an arithmetic number, because the mean of its divisors is an integer number (2132676).

Almost surely, 2^52745750 is an apocalyptic number.

52745750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52745750 is a deficient number, since it is larger than the sum of its proper divisors (49622698).

52745750 is an equidigital number, since it uses as much as digits as its factorization.

52745750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 52745750 is about 7262.6269352074. The cubic root of 52745750 is about 375.0269610245.

Subtracting from 52745750 its reverse (5754725), we obtain a square (46991025 = 6855²).

The spelling of 52745750 in words is "fifty-two million, seven hundred forty-five thousand, seven hundred fifty".