1485055551 has 8 divisors (see below), whose sum is σ = 2262941824. Its totient is φ = 848603160.

The previous prime is 1485055549. The next prime is 1485055597. The reversal of 1485055551 is 1555505841.

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

It is not a de Polignac number, because 1485055551 - 2¹ = 1485055549 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 (1485055501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35358445 + ... + 35358486.

It is an arithmetic number, because the mean of its divisors is an integer number (282867728).

Almost surely, 2^1485055551 is an apocalyptic number.

1485055551 is a deficient number, since it is larger than the sum of its proper divisors (777886273).

1485055551 is an equidigital number, since it uses as much as digits as its factorization.

1485055551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70716941.

The product of its (nonzero) digits is 100000, while the sum is 39.

The square root of 1485055551 is about 38536.4185025023. The cubic root of 1485055551 is about 1140.8999641663.

The spelling of 1485055551 in words is "one billion, four hundred eighty-five million, fifty-five thousand, five hundred fifty-one".