2154352554 has 12 divisors (see below), whose sum is σ = 4667763906. Its totient is φ = 718117512.

The previous prime is 2154352553. The next prime is 2154352559. The reversal of 2154352554 is 4552534512.

2154352554 is a `hidden beast` number, since 2 + 1 + 54 + 3 + 52 + 554 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1868573529 + 285779025 = 43227^2 + 16905^2 .

It is not an unprimeable number, because it can be changed into a prime (2154352553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59843109 + ... + 59843144.

Almost surely, 2^2154352554 is an apocalyptic number.

2154352554 is an abundant number, since it is smaller than the sum of its proper divisors (2513411352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2154352554 is a wasteful number, since it uses less digits than its factorization.

2154352554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119686261 (or 119686258 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 2154352554 is about 46415.0035441128. The cubic root of 2154352554 is about 1291.5332517205.

The spelling of 2154352554 in words is "two billion, one hundred fifty-four million, three hundred fifty-two thousand, five hundred fifty-four".