54051405 has 16 divisors (see below), whose sum is σ = 87578880. Its totient is φ = 28461888.

The previous prime is 54051397. The next prime is 54051421. The reversal of 54051405 is 50415045.

It is not a de Polignac number, because 54051405 - 2³ = 54051397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21622 + ... + 23991.

It is an arithmetic number, because the mean of its divisors is an integer number (5473680).

Almost surely, 2^54051405 is an apocalyptic number.

It is an amenable number.

54051405 is a deficient number, since it is larger than the sum of its proper divisors (33527475).

54051405 is a wasteful number, since it uses less digits than its factorization.

54051405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45700.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 54051405 is about 7351.9660635778. The cubic root of 54051405 is about 378.0962144150.

The spelling of 54051405 in words is "fifty-four million, fifty-one thousand, four hundred five".