53776550 has 12 divisors (see below), whose sum is σ = 100024476. Its totient is φ = 21510600.

The previous prime is 53776549. The next prime is 53776571. The reversal of 53776550 is 5567735.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 537716 + ... + 537815.

It is an arithmetic number, because the mean of its divisors is an integer number (8335373).

Almost surely, 2^53776550 is an apocalyptic number.

53776550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53776550 is a deficient number, since it is larger than the sum of its proper divisors (46247926).

53776550 is a wasteful number, since it uses less digits than its factorization.

53776550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075543 (or 1075538 counting only the distinct ones).

The product of its (nonzero) digits is 110250, while the sum is 38.

The square root of 53776550 is about 7333.2496207343. The cubic root of 53776550 is about 377.4542435368.

The spelling of 53776550 in words is "fifty-three million, seven hundred seventy-six thousand, five hundred fifty".