53542105054451 has 4 divisors (see below), whose sum is σ = 57660728520192. Its totient is φ = 49423481588712.

The previous prime is 53542105054411. The next prime is 53542105054457. The reversal of 53542105054451 is 15445050124535.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53542105054451 is a prime.

It is a super-2 number, since 2×53542105054451² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53542105054457) 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, 2059311732851 + ... + 2059311732876.

It is an arithmetic number, because the mean of its divisors is an integer number (14415182130048).

Almost surely, 2^{53542105054451} is an apocalyptic number.

53542105054451 is a deficient number, since it is larger than the sum of its proper divisors (4118623465741).

53542105054451 is a wasteful number, since it uses less digits than its factorization.

53542105054451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118623465740.

The product of its (nonzero) digits is 1200000, while the sum is 44.

Adding to 53542105054451 its reverse (15445050124535), we get a palindrome (68987155178986).

The spelling of 53542105054451 in words is "fifty-three trillion, five hundred forty-two billion, one hundred five million, fifty-four thousand, four hundred fifty-one".