53625428 has 6 divisors (see below), whose sum is σ = 93844506. Its totient is φ = 26812712.

The previous prime is 53625409. The next prime is 53625431. The reversal of 53625428 is 82452635.

It can be written as a sum of positive squares in only one way, i.e., 35664784 + 17960644 = 5972^2 + 4238^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6703175 + ... + 6703182.

It is an arithmetic number, because the mean of its divisors is an integer number (15640751).

Almost surely, 2^53625428 is an apocalyptic number.

It is an amenable number.

53625428 is a deficient number, since it is larger than the sum of its proper divisors (40219078).

53625428 is a wasteful number, since it uses less digits than its factorization.

53625428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13406361 (or 13406359 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 53625428 is about 7322.9384812383. The cubic root of 53625428 is about 377.1003398602.

The spelling of 53625428 in words is "fifty-three million, six hundred twenty-five thousand, four hundred twenty-eight".