55141405 has 16 divisors (see below), whose sum is σ = 74515968. Its totient is φ = 38808000.

The previous prime is 55141403. The next prime is 55141409. The reversal of 55141405 is 50414155.

It is a happy number.

It is not a de Polignac number, because 55141405 - 2¹ = 55141403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55141405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55141403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14466 + ... + 17875.

It is an arithmetic number, because the mean of its divisors is an integer number (4657248).

Almost surely, 2^55141405 is an apocalyptic number.

55141405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55141405 is a deficient number, since it is larger than the sum of its proper divisors (19374563).

55141405 is a wasteful number, since it uses less digits than its factorization.

55141405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32388.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 55141405 is about 7425.7258904433. The cubic root of 55141405 is about 380.6208801928.

The spelling of 55141405 in words is "fifty-five million, one hundred forty-one thousand, four hundred five".