53465604261 has 4 divisors (see below), whose sum is σ = 71287472352. Its totient is φ = 35643736172.

The previous prime is 53465604259. The next prime is 53465604271. The reversal of 53465604261 is 16240656435.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53465604261 - 2¹ = 53465604259 is a prime.

It is a super-2 number, since 2×53465604261² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53465604271) 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, 8910934041 + ... + 8910934046.

It is an arithmetic number, because the mean of its divisors is an integer number (17821868088).

Almost surely, 2^53465604261 is an apocalyptic number.

It is an amenable number.

53465604261 is a deficient number, since it is larger than the sum of its proper divisors (17821868091).

53465604261 is a wasteful number, since it uses less digits than its factorization.

53465604261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17821868090.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 53465604261 in words is "fifty-three billion, four hundred sixty-five million, six hundred four thousand, two hundred sixty-one".