54178231 has 4 divisors (see below), whose sum is σ = 54240472. Its totient is φ = 54115992.

The previous prime is 54178219. The next prime is 54178301. The reversal of 54178231 is 13287145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13287145 = 5 ⋅2657429.

It is a cyclic number.

It is not a de Polignac number, because 54178231 - 2⁵ = 54178199 is a prime.

It is a super-2 number, since 2×54178231² = 5870561428578722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54178193 and 54178202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54178211) 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, 29796 + ... + 31561.

It is an arithmetic number, because the mean of its divisors is an integer number (13560118).

Almost surely, 2^54178231 is an apocalyptic number.

54178231 is a deficient number, since it is larger than the sum of its proper divisors (62241).

54178231 is an equidigital number, since it uses as much as digits as its factorization.

54178231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62240.

The product of its digits is 6720, while the sum is 31.

The square root of 54178231 is about 7360.5863217545. The cubic root of 54178231 is about 378.3917045703.

The spelling of 54178231 in words is "fifty-four million, one hundred seventy-eight thousand, two hundred thirty-one".