2155551046 has 8 divisors (see below), whose sum is σ = 3527265384. Its totient is φ = 979795920.

The previous prime is 2155551037. The next prime is 2155551071. The reversal of 2155551046 is 6401555512.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48989775 + ... + 48989818.

It is an arithmetic number, because the mean of its divisors is an integer number (440908173).

Almost surely, 2^2155551046 is an apocalyptic number.

2155551046 is a deficient number, since it is larger than the sum of its proper divisors (1371714338).

2155551046 is a wasteful number, since it uses less digits than its factorization.

2155551046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97979606.

The product of its (nonzero) digits is 30000, while the sum is 34.

The square root of 2155551046 is about 46427.9123588386. The cubic root of 2155551046 is about 1291.7727057688.

The spelling of 2155551046 in words is "two billion, one hundred fifty-five million, five hundred fifty-one thousand, forty-six".