53725370 has 8 divisors (see below), whose sum is σ = 96705684. Its totient is φ = 21490144.

The previous prime is 53725367. The next prime is 53725379. The reversal of 53725370 is 7352735.

It can be written as a sum of positive squares in 2 ways, for example, as 53567761 + 157609 = 7319^2 + 397^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (53725379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2686259 + ... + 2686278.

Almost surely, 2^53725370 is an apocalyptic number.

53725370 is a deficient number, since it is larger than the sum of its proper divisors (42980314).

53725370 is a wasteful number, since it uses less digits than its factorization.

53725370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5372544.

The product of its (nonzero) digits is 22050, while the sum is 32.

The square root of 53725370 is about 7329.7592047761. The cubic root of 53725370 is about 377.3344624557.

The spelling of 53725370 in words is "fifty-three million, seven hundred twenty-five thousand, three hundred seventy".