54142005 has 32 divisors (see below), whose sum is σ = 88510464. Its totient is φ = 28256256.

The previous prime is 54142003. The next prime is 54142007. The reversal of 54142005 is 50024145.

It is an interprime number because it is at equal distance from previous prime (54142003) and next prime (54142007).

It is not a de Polignac number, because 54142005 - 2¹ = 54142003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54142003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184639 + ... + 184931.

It is an arithmetic number, because the mean of its divisors is an integer number (2765952).

Almost surely, 2^54142005 is an apocalyptic number.

It is an amenable number.

54142005 is a deficient number, since it is larger than the sum of its proper divisors (34368459).

54142005 is a wasteful number, since it uses less digits than its factorization.

54142005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 54142005 is about 7358.1251008664. The cubic root of 54142005 is about 378.3073492001.

The spelling of 54142005 in words is "fifty-four million, one hundred forty-two thousand, five".