2153767554 has 24 divisors (see below), whose sum is σ = 4670161392. Its totient is φ = 717358680.

The previous prime is 2153767549. The next prime is 2153767579. The reversal of 2153767554 is 4557673512.

It is a happy number.

2153767554 is a `hidden beast` number, since 2 + 1 + 5 + 37 + 67 + 554 = 666.

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 11 ways as a sum of consecutive naturals, for example, 23104 + ... + 69579.

It is an arithmetic number, because the mean of its divisors is an integer number (194590058).

Almost surely, 2^2153767554 is an apocalyptic number.

2153767554 is an abundant number, since it is smaller than the sum of its proper divisors (2516393838).

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

2153767554 is a wasteful number, since it uses less digits than its factorization.

2153767554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93982 (or 93979 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 2153767554 is about 46408.7012746532. The cubic root of 2153767554 is about 1291.4163387375.

The spelling of 2153767554 in words is "two billion, one hundred fifty-three million, seven hundred sixty-seven thousand, five hundred fifty-four".