54690155 has 16 divisors (see below), whose sum is σ = 71051904. Its totient is φ = 40172160.

The previous prime is 54690089. The next prime is 54690179. The reversal of 54690155 is 55109645.

It is not a de Polignac number, because 54690155 - 2¹⁴ = 54673771 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10670 + ... + 14940.

It is an arithmetic number, because the mean of its divisors is an integer number (4440744).

Almost surely, 2^54690155 is an apocalyptic number.

54690155 is a deficient number, since it is larger than the sum of its proper divisors (16361749).

54690155 is a wasteful number, since it uses less digits than its factorization.

54690155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4486.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 54690155 is about 7395.2792374595. The cubic root of 54690155 is about 379.5797639707.

It can be divided in two parts, 54690 and 155, that added together give a palindrome (54845).

The spelling of 54690155 in words is "fifty-four million, six hundred ninety thousand, one hundred fifty-five".