6555450542 has 4 divisors (see below), whose sum is σ = 9833175816. Its totient is φ = 3277725270.

The previous prime is 6555450541. The next prime is 6555450571. The reversal of 6555450542 is 2450545556.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6555450542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6555450541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1638862634 + ... + 1638862637.

It is an arithmetic number, because the mean of its divisors is an integer number (2458293954).

Almost surely, 2^6555450542 is an apocalyptic number.

6555450542 is a deficient number, since it is larger than the sum of its proper divisors (3277725274).

6555450542 is a wasteful number, since it uses less digits than its factorization.

6555450542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277725273.

The product of its (nonzero) digits is 600000, while the sum is 41.

The square root of 6555450542 is about 80965.7368397275. The cubic root of 6555450542 is about 1871.5474757769.

The spelling of 6555450542 in words is "six billion, five hundred fifty-five million, four hundred fifty thousand, five hundred forty-two".