54531407 has 4 divisors (see below), whose sum is σ = 62321616. Its totient is φ = 46741200.

The previous prime is 54531401. The next prime is 54531419. The reversal of 54531407 is 70413545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70413545 = 5 ⋅14082709.

It is a cyclic number.

It is not a de Polignac number, because 54531407 - 2⁴ = 54531391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54531407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54531401) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3895094 + ... + 3895107.

It is an arithmetic number, because the mean of its divisors is an integer number (15580404).

Almost surely, 2^54531407 is an apocalyptic number.

54531407 is a deficient number, since it is larger than the sum of its proper divisors (7790209).

54531407 is an equidigital number, since it uses as much as digits as its factorization.

54531407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7790208.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 54531407 is about 7384.5383741978. The cubic root of 54531407 is about 379.2121418924.

The spelling of 54531407 in words is "fifty-four million, five hundred thirty-one thousand, four hundred seven".