55451411156465 has 32 divisors (see below), whose sum is σ = 69108130260000. Its totient is φ = 42662274859008.

The previous prime is 55451411156461. The next prime is 55451411156467. The reversal of 55451411156465 is 56465111415455.

It can be written as a sum of positive squares in 16 ways, for example, as 176453764096 + 55274957392369 = 420064^2 + 7434713^2 .

It is a cyclic number.

It is not a de Polignac number, because 55451411156465 - 2² = 55451411156461 is a prime.

It is a super-2 number, since 2×55451411156465² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55451411156461) 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, 867087311 + ... + 867151259.

It is an arithmetic number, because the mean of its divisors is an integer number (2159629070625).

Almost surely, 2^{55451411156465} is an apocalyptic number.

It is an amenable number.

55451411156465 is a deficient number, since it is larger than the sum of its proper divisors (13656719103535).

55451411156465 is a wasteful number, since it uses less digits than its factorization.

55451411156465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87509.

The product of its digits is 7200000, while the sum is 53.

The spelling of 55451411156465 in words is "fifty-five trillion, four hundred fifty-one billion, four hundred eleven million, one hundred fifty-six thousand, four hundred sixty-five".