53402242331 has 8 divisors (see below), whose sum is σ = 54208547904. Its totient is φ = 52596209160.

The previous prime is 53402242321. The next prime is 53402242351. The reversal of 53402242331 is 13324220435.

It is a happy number.

53402242331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 53402242331 - 2²² = 53398048027 is a prime.

It is a super-2 number, since 2×53402242331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53402242294 and 53402242303.

It is not an unprimeable number, because it can be changed into a prime (53402242321) 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, 345776 + ... + 475778.

It is an arithmetic number, because the mean of its divisors is an integer number (6776068488).

Almost surely, 2^53402242331 is an apocalyptic number.

53402242331 is a deficient number, since it is larger than the sum of its proper divisors (806305573).

53402242331 is a wasteful number, since it uses less digits than its factorization.

53402242331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136201.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 53402242331 its reverse (13324220435), we get a palindrome (66726462766).

The spelling of 53402242331 in words is "fifty-three billion, four hundred two million, two hundred forty-two thousand, three hundred thirty-one".