54691434 has 48 divisors (see below), whose sum is σ = 136002048. Its totient is φ = 15559776.

The previous prime is 54691423. The next prime is 54691453. The reversal of 54691434 is 43419645.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34119 + ... + 35685.

It is an arithmetic number, because the mean of its divisors is an integer number (2833376).

Almost surely, 2^54691434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54691434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68001024).

54691434 is an abundant number, since it is smaller than the sum of its proper divisors (81310614).

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

54691434 is a wasteful number, since it uses less digits than its factorization.

54691434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859 (or 1856 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 54691434 is about 7395.3657110382. The cubic root of 54691434 is about 379.5827229356.

It can be divided in two parts, 5469 and 1434, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 54691434 in words is "fifty-four million, six hundred ninety-one thousand, four hundred thirty-four".