53750775 has 48 divisors (see below), whose sum is σ = 99056160. Its totient is φ = 25536000.

The previous prime is 53750771. The next prime is 53750777. The reversal of 53750775 is 57705735.

It is not a de Polignac number, because 53750775 - 2² = 53750771 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53750771) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27325 + ... + 29225.

It is an arithmetic number, because the mean of its divisors is an integer number (2063670).

Almost surely, 2^53750775 is an apocalyptic number.

53750775 is a deficient number, since it is larger than the sum of its proper divisors (45305385).

53750775 is a wasteful number, since it uses less digits than its factorization.

53750775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956 (or 1951 counting only the distinct ones).

The product of its (nonzero) digits is 128625, while the sum is 39.

The square root of 53750775 is about 7331.4920036784. The cubic root of 53750775 is about 377.3939295282.

The spelling of 53750775 in words is "fifty-three million, seven hundred fifty thousand, seven hundred seventy-five".