54352405 has 4 divisors (see below), whose sum is σ = 65222892. Its totient is φ = 43481920.

The previous prime is 54352399. The next prime is 54352423. The reversal of 54352405 is 50425345.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41912676 + 12439729 = 6474^2 + 3527^2 .

It is not a de Polignac number, because 54352405 - 2⁹ = 54351893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5435236 + ... + 5435245.

It is an arithmetic number, because the mean of its divisors is an integer number (16305723).

Almost surely, 2^54352405 is an apocalyptic number.

It is an amenable number.

54352405 is a deficient number, since it is larger than the sum of its proper divisors (10870487).

54352405 is a wasteful number, since it uses less digits than its factorization.

54352405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10870486.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 54352405 is about 7372.4083581961. The cubic root of 54352405 is about 378.7967596130.

The spelling of 54352405 in words is "fifty-four million, three hundred fifty-two thousand, four hundred five".