53747760121 has 4 divisors (see below), whose sum is σ = 58633920144. Its totient is φ = 48861600100.

The previous prime is 53747760119. The next prime is 53747760149. The reversal of 53747760121 is 12106774735.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53747760121 - 2¹ = 53747760119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53747760161) 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, 2443079995 + ... + 2443080016.

It is an arithmetic number, because the mean of its divisors is an integer number (14658480036).

Almost surely, 2^53747760121 is an apocalyptic number.

It is an amenable number.

53747760121 is a deficient number, since it is larger than the sum of its proper divisors (4886160023).

53747760121 is a wasteful number, since it uses less digits than its factorization.

53747760121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4886160022.

The product of its (nonzero) digits is 246960, while the sum is 43.

The spelling of 53747760121 in words is "fifty-three billion, seven hundred forty-seven million, seven hundred sixty thousand, one hundred twenty-one".