55450707456431 has 8 divisors (see below), whose sum is σ = 63834808167840. Its totient is φ = 47182249513728.

The previous prime is 55450707456283. The next prime is 55450707456479. The reversal of 55450707456431 is 13465470705455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55450707456431 - 2²² = 55450703262127 is a prime.

It is a super-2 number, since 2×55450707456431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55450707453431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28910691146 + ... + 28910693063.

It is an arithmetic number, because the mean of its divisors is an integer number (7979351020980).

Almost surely, 2^{55450707456431} is an apocalyptic number.

55450707456431 is a deficient number, since it is larger than the sum of its proper divisors (8384100711409).

55450707456431 is a wasteful number, since it uses less digits than its factorization.

55450707456431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57821384353.

The product of its (nonzero) digits is 35280000, while the sum is 56.

The spelling of 55450707456431 in words is "fifty-five trillion, four hundred fifty billion, seven hundred seven million, four hundred fifty-six thousand, four hundred thirty-one".