2054535551 has 4 divisors (see below), whose sum is σ = 2054826072. Its totient is φ = 2054245032.

The previous prime is 2054535451. The next prime is 2054535557. The reversal of 2054535551 is 1555354502.

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

It is a cyclic number.

It is not a de Polignac number, because 2054535551 - 2¹⁰ = 2054534527 is a prime.

It is a super-2 number, since 2×2054535551² = 8442232660645747202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054535557) 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, 134381 + ... + 148886.

It is an arithmetic number, because the mean of its divisors is an integer number (513706518).

Almost surely, 2^2054535551 is an apocalyptic number.

2054535551 is a deficient number, since it is larger than the sum of its proper divisors (290521).

2054535551 is an equidigital number, since it uses as much as digits as its factorization.

2054535551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290520.

The product of its (nonzero) digits is 75000, while the sum is 35.

The square root of 2054535551 is about 45326.9847993444. The cubic root of 2054535551 is about 1271.2702588085.

The spelling of 2054535551 in words is "two billion, fifty-four million, five hundred thirty-five thousand, five hundred fifty-one".