53023453442 has 32 divisors (see below), whose sum is σ = 84531009024. Its totient is φ = 24903446400.

The previous prime is 53023453393. The next prime is 53023453447. The reversal of 53023453442 is 24435432035.

It is a happy number.

It is a super-2 number, since 2×53023453442² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53023453447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447833 + ... + 553715.

It is an arithmetic number, because the mean of its divisors is an integer number (2641594032).

Almost surely, 2^53023453442 is an apocalyptic number.

53023453442 is a deficient number, since it is larger than the sum of its proper divisors (31507555582).

53023453442 is a wasteful number, since it uses less digits than its factorization.

53023453442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106154.

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 53023453442 its reverse (24435432035), we get a palindrome (77458885477).

The spelling of 53023453442 in words is "fifty-three billion, twenty-three million, four hundred fifty-three thousand, four hundred forty-two".