5455890378007 has 4 divisors (see below), whose sum is σ = 5506880007816. Its totient is φ = 5404900748200.

The previous prime is 5455890377981. The next prime is 5455890378019. The reversal of 5455890378007 is 7008730985545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5455890378007 - 2³⁹ = 4906134564119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5455890378067) 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, 25494814744 + ... + 25494814957.

It is an arithmetic number, because the mean of its divisors is an integer number (1376720001954).

Almost surely, 2^{5455890378007} is an apocalyptic number.

5455890378007 is a deficient number, since it is larger than the sum of its proper divisors (50989629809).

5455890378007 is a wasteful number, since it uses less digits than its factorization.

5455890378007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50989629808.

The product of its (nonzero) digits is 42336000, while the sum is 61.

The spelling of 5455890378007 in words is "five trillion, four hundred fifty-five billion, eight hundred ninety million, three hundred seventy-eight thousand, seven".