53745009 has 8 divisors (see below), whose sum is σ = 72641952. Its totient is φ = 35339040.

The previous prime is 53745001. The next prime is 53745011. The reversal of 53745009 is 90054735.

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

It is not a de Polignac number, because 53745009 - 2³ = 53745001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53745001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122487 + ... + 122924.

It is an arithmetic number, because the mean of its divisors is an integer number (9080244).

Almost surely, 2^53745009 is an apocalyptic number.

It is an amenable number.

53745009 is a deficient number, since it is larger than the sum of its proper divisors (18896943).

53745009 is a wasteful number, since it uses less digits than its factorization.

53745009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245487.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 53745009 is about 7331.0987580307. The cubic root of 53745009 is about 377.3804343354.

The spelling of 53745009 in words is "fifty-three million, seven hundred forty-five thousand, nine".