54402155 has 16 divisors (see below), whose sum is σ = 66813120. Its totient is φ = 42513408.

The previous prime is 54402143. The next prime is 54402157. The reversal of 54402155 is 55120445.

It is a cyclic number.

It is not a de Polignac number, because 54402155 - 2¹⁰ = 54401131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54402157) 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, 40586 + ... + 41904.

It is an arithmetic number, because the mean of its divisors is an integer number (4175820).

Almost surely, 2^54402155 is an apocalyptic number.

54402155 is a deficient number, since it is larger than the sum of its proper divisors (12410965).

54402155 is a wasteful number, since it uses less digits than its factorization.

54402155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 54402155 is about 7375.7816534927. The cubic root of 54402155 is about 378.9122981491.

The spelling of 54402155 in words is "fifty-four million, four hundred two thousand, one hundred fifty-five".