53757121 has 8 divisors (see below), whose sum is σ = 59193504. Its totient is φ = 48412320.

The previous prime is 53757107. The next prime is 53757139. The reversal of 53757121 is 12175735.

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

It is not a de Polignac number, because 53757121 - 2⁷ = 53756993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53757161) 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, 21660 + ... + 24013.

It is an arithmetic number, because the mean of its divisors is an integer number (7399188).

Almost surely, 2^53757121 is an apocalyptic number.

It is an amenable number.

53757121 is a deficient number, since it is larger than the sum of its proper divisors (5436383).

53757121 is a wasteful number, since it uses less digits than its factorization.

53757121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45791.

The product of its digits is 7350, while the sum is 31.

The square root of 53757121 is about 7331.9247813927. The cubic root of 53757121 is about 377.4087810824.

The spelling of 53757121 in words is "fifty-three million, seven hundred fifty-seven thousand, one hundred twenty-one".