555140455 has 4 divisors (see below), whose sum is σ = 666168552. Its totient is φ = 444112360.

The previous prime is 555140429. The next prime is 555140473. The reversal of 555140455 is 554041555.

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

It is not a de Polignac number, because 555140455 - 2²⁷ = 420922727 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 555140455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55514041 + ... + 55514050.

It is an arithmetic number, because the mean of its divisors is an integer number (166542138).

Almost surely, 2^555140455 is an apocalyptic number.

555140455 is a deficient number, since it is larger than the sum of its proper divisors (111028097).

555140455 is a wasteful number, since it uses less digits than its factorization.

555140455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111028096.

The product of its (nonzero) digits is 50000, while the sum is 34.

The square root of 555140455 is about 23561.4187815590. The cubic root of 555140455 is about 821.8658952280.

The spelling of 555140455 in words is "five hundred fifty-five million, one hundred forty thousand, four hundred fifty-five".