54207155 has 4 divisors (see below), whose sum is σ = 65048592. Its totient is φ = 43365720.

The previous prime is 54207143. The next prime is 54207157. The reversal of 54207155 is 55170245.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 54207155 - 2⁶ = 54207091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54207157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5420711 + ... + 5420720.

It is an arithmetic number, because the mean of its divisors is an integer number (16262148).

Almost surely, 2^54207155 is an apocalyptic number.

54207155 is a deficient number, since it is larger than the sum of its proper divisors (10841437).

54207155 is a wasteful number, since it uses less digits than its factorization.

54207155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10841436.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 54207155 is about 7362.5508487208. The cubic root of 54207155 is about 378.4590296096.

The spelling of 54207155 in words is "fifty-four million, two hundred seven thousand, one hundred fifty-five".