54151555 has 8 divisors (see below), whose sum is σ = 67222800. Its totient is φ = 41827296.

The previous prime is 54151553. The next prime is 54151571. The reversal of 54151555 is 55515145.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54151555 - 2¹ = 54151553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54151553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186585 + ... + 186874.

It is an arithmetic number, because the mean of its divisors is an integer number (8402850).

Almost surely, 2^54151555 is an apocalyptic number.

54151555 is a deficient number, since it is larger than the sum of its proper divisors (13071245).

54151555 is a wasteful number, since it uses less digits than its factorization.

54151555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373493.

The product of its digits is 12500, while the sum is 31.

The square root of 54151555 is about 7358.7740147391. The cubic root of 54151555 is about 378.3295908514.

The spelling of 54151555 in words is "fifty-four million, one hundred fifty-one thousand, five hundred fifty-five".