1955455 has 8 divisors (see below), whose sum is σ = 2369952. Its totient is φ = 1548768.

The previous prime is 1955417. The next prime is 1955467. The reversal of 1955455 is 5545591.

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

It is a cyclic number.

It is not a de Polignac number, because 1955455 - 2⁹ = 1954943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1955455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1384 + ... + 2413.

It is an arithmetic number, because the mean of its divisors is an integer number (296244).

2^1955455 is an apocalyptic number.

1955455 is a deficient number, since it is larger than the sum of its proper divisors (414497).

1955455 is a wasteful number, since it uses less digits than its factorization.

1955455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905.

The product of its digits is 22500, while the sum is 34.

The square root of 1955455 is about 1398.3758436129. The cubic root of 1955455 is about 125.0496869137.

The spelling of 1955455 in words is "one million, nine hundred fifty-five thousand, four hundred fifty-five".