54523431 has 24 divisors (see below), whose sum is σ = 81042624. Its totient is φ = 35305920.

The previous prime is 54523373. The next prime is 54523453. The reversal of 54523431 is 13432545.

It is not a de Polignac number, because 54523431 - 2¹⁵ = 54490663 is a prime.

It is a super-2 number, since 2×54523431² = 5945609056023522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54523395 and 54523404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54523031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66001 + ... + 66821.

It is an arithmetic number, because the mean of its divisors is an integer number (3376776).

Almost surely, 2^54523431 is an apocalyptic number.

54523431 is a deficient number, since it is larger than the sum of its proper divisors (26519193).

54523431 is a wasteful number, since it uses less digits than its factorization.

54523431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031 (or 1028 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 54523431 is about 7383.9983071504. The cubic root of 54523431 is about 379.1936525870.

Adding to 54523431 its reverse (13432545), we get a palindrome (67955976).

The spelling of 54523431 in words is "fifty-four million, five hundred twenty-three thousand, four hundred thirty-one".