53725550 has 12 divisors (see below), whose sum is σ = 99929616. Its totient is φ = 21490200.

The previous prime is 53725547. The next prime is 53725583. The reversal of 53725550 is 5552735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 537206 + ... + 537305.

It is an arithmetic number, because the mean of its divisors is an integer number (8327468).

Almost surely, 2^53725550 is an apocalyptic number.

53725550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53725550 is a deficient number, since it is larger than the sum of its proper divisors (46204066).

53725550 is a wasteful number, since it uses less digits than its factorization.

53725550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074523 (or 1074518 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 32.

The square root of 53725550 is about 7329.7714834775. The cubic root of 53725550 is about 377.3348838589.

The spelling of 53725550 in words is "fifty-three million, seven hundred twenty-five thousand, five hundred fifty".