54131478 has 16 divisors (see below), whose sum is σ = 108738480. Its totient is φ = 17964576.

The previous prime is 54131459. The next prime is 54131479. The reversal of 54131478 is 87413145.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54131479) 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, 18325 + ... + 21072.

It is an arithmetic number, because the mean of its divisors is an integer number (6796155).

Almost surely, 2^54131478 is an apocalyptic number.

54131478 is an abundant number, since it is smaller than the sum of its proper divisors (54607002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54131478 is a wasteful number, since it uses less digits than its factorization.

54131478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39631.

The product of its digits is 13440, while the sum is 33.

The square root of 54131478 is about 7357.4097344106. The cubic root of 54131478 is about 378.2828291157.

The spelling of 54131478 in words is "fifty-four million, one hundred thirty-one thousand, four hundred seventy-eight".