53540105553651 has 32 divisors (see below), whose sum is σ = 71963456237568. Its totient is φ = 35405999909280.

The previous prime is 53540105553647. The next prime is 53540105553667. The reversal of 53540105553651 is 15635550104535.

It is not a de Polignac number, because 53540105553651 - 2² = 53540105553647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53540105553651.

It is not an unprimeable number, because it can be changed into a prime (53540105553601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1212087796 + ... + 1212131966.

It is an arithmetic number, because the mean of its divisors is an integer number (2248858007424).

Almost surely, 2^{53540105553651} is an apocalyptic number.

53540105553651 is a deficient number, since it is larger than the sum of its proper divisors (18423350683917).

53540105553651 is a wasteful number, since it uses less digits than its factorization.

53540105553651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49311.

The product of its (nonzero) digits is 3375000, while the sum is 48.

The spelling of 53540105553651 in words is "fifty-three trillion, five hundred forty billion, one hundred five million, five hundred fifty-three thousand, six hundred fifty-one".