53151652621551 has 32 divisors (see below), whose sum is σ = 77544987399936. Its totient is φ = 32115978464000.

The previous prime is 53151652621523. The next prime is 53151652621663. The reversal of 53151652621551 is 15512625615135.

It is a cyclic number.

It is not a de Polignac number, because 53151652621551 - 2¹⁰ = 53151652620527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53151652621551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53151652621511) 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, 12938521 + ... + 16544141.

It is an arithmetic number, because the mean of its divisors is an integer number (2423280856248).

Almost surely, 2^{53151652621551} is an apocalyptic number.

53151652621551 is a deficient number, since it is larger than the sum of its proper divisors (24393334778385).

53151652621551 is a wasteful number, since it uses less digits than its factorization.

53151652621551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606983.

The product of its digits is 1350000, while the sum is 48.

The spelling of 53151652621551 in words is "fifty-three trillion, one hundred fifty-one billion, six hundred fifty-two million, six hundred twenty-one thousand, five hundred fifty-one".