54151081 has 4 divisors (see below), whose sum is σ = 54189952. Its totient is φ = 54112212.

The previous prime is 54151067. The next prime is 54151127. The reversal of 54151081 is 18015145.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54151081 - 2⁷ = 54150953 is a prime.

It is a super-2 number, since 2×54151081² = 5864679146937122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54151781) 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, 17265 + ... + 20158.

It is an arithmetic number, because the mean of its divisors is an integer number (13547488).

Almost surely, 2^54151081 is an apocalyptic number.

It is an amenable number.

54151081 is a deficient number, since it is larger than the sum of its proper divisors (38871).

54151081 is a wasteful number, since it uses less digits than its factorization.

54151081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38870.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 54151081 is about 7358.7418082169. The cubic root of 54151081 is about 378.3284869819.

The spelling of 54151081 in words is "fifty-four million, one hundred fifty-one thousand, eighty-one".