2055450551 has 16 divisors (see below), whose sum is σ = 2569812480. Its totient is φ = 1597166880.

The previous prime is 2055450539. The next prime is 2055450557. The reversal of 2055450551 is 1550545502.

It is a cyclic number.

It is not a de Polignac number, because 2055450551 - 2¹⁸ = 2055188407 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 (2055450557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9536 + ... + 64821.

It is an arithmetic number, because the mean of its divisors is an integer number (160613280).

Almost surely, 2^2055450551 is an apocalyptic number.

2055450551 is a deficient number, since it is larger than the sum of its proper divisors (514361929).

2055450551 is a wasteful number, since it uses less digits than its factorization.

2055450551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74734.

The product of its (nonzero) digits is 25000, while the sum is 32.

The square root of 2055450551 is about 45337.0770010595. The cubic root of 2055450551 is about 1271.4589534663.

The spelling of 2055450551 in words is "two billion, fifty-five million, four hundred fifty thousand, five hundred fifty-one".