555955401 has 4 divisors (see below), whose sum is σ = 741273872. Its totient is φ = 370636932.

The previous prime is 555955373. The next prime is 555955441. The reversal of 555955401 is 104559555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 555955401 - 2¹¹ = 555953353 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 555955401.

It is not an unprimeable number, because it can be changed into a prime (555955441) 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, 92659231 + ... + 92659236.

It is an arithmetic number, because the mean of its divisors is an integer number (185318468).

Almost surely, 2^555955401 is an apocalyptic number.

It is an amenable number.

555955401 is a deficient number, since it is larger than the sum of its proper divisors (185318471).

555955401 is a wasteful number, since it uses less digits than its factorization.

555955401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185318470.

The product of its (nonzero) digits is 112500, while the sum is 39.

The square root of 555955401 is about 23578.7065166858. The cubic root of 555955401 is about 822.2678648803.

The spelling of 555955401 in words is "five hundred fifty-five million, nine hundred fifty-five thousand, four hundred one".