52775450 has 72 divisors (see below), whose sum is σ = 123046812. Its totient is φ = 16692480.

The previous prime is 52775383. The next prime is 52775479. The reversal of 52775450 is 5457725.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 6385729 + 46389721 = 2527^2 + 6811^2 .

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 52775450.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 31022 + ... + 32678.

Almost surely, 2^52775450 is an apocalyptic number.

52775450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52775450 is an abundant number, since it is smaller than the sum of its proper divisors (70271362).

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

52775450 is a wasteful number, since it uses less digits than its factorization.

52775450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696 (or 1684 counting only the distinct ones).

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

The square root of 52775450 is about 7264.6713621471. The cubic root of 52775450 is about 375.0973376951.

The spelling of 52775450 in words is "fifty-two million, seven hundred seventy-five thousand, four hundred fifty".