54450131 has 4 divisors (see below), whose sum is σ = 56817552. Its totient is φ = 52082712.

The previous prime is 54450127. The next prime is 54450157. The reversal of 54450131 is 13105445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54450131 - 2² = 54450127 is a prime.

It is a super-2 number, since 2×54450131² = 5929633531834322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 2367397 = 54450131 / (5 + 4 + 4 + 5 + 0 + 1 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54450097 and 54450106.

It is not an unprimeable number, because it can be changed into a prime (54450161) 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, 1183676 + ... + 1183721.

It is an arithmetic number, because the mean of its divisors is an integer number (14204388).

Almost surely, 2^54450131 is an apocalyptic number.

54450131 is a deficient number, since it is larger than the sum of its proper divisors (2367421).

54450131 is a wasteful number, since it uses less digits than its factorization.

54450131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367420.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 54450131 is about 7379.0332022562. The cubic root of 54450131 is about 379.0236500814.

Adding to 54450131 its reverse (13105445), we get a palindrome (67555576).

The spelling of 54450131 in words is "fifty-four million, four hundred fifty thousand, one hundred thirty-one".