55047377 has 24 divisors (see below), whose sum is σ = 73237248. Its totient is φ = 40360320.

The previous prime is 55047341. The next prime is 55047383. The reversal of 55047377 is 77374055.

It is not a de Polignac number, because 55047377 - 2¹² = 55043281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55047377.

It is not an unprimeable number, because it can be changed into a prime (55047397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12488 + ... + 16310.

It is an arithmetic number, because the mean of its divisors is an integer number (3051552).

Almost surely, 2^55047377 is an apocalyptic number.

It is an amenable number.

55047377 is a deficient number, since it is larger than the sum of its proper divisors (18189871).

55047377 is a wasteful number, since it uses less digits than its factorization.

55047377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869 (or 3858 counting only the distinct ones).

The product of its (nonzero) digits is 102900, while the sum is 38.

The square root of 55047377 is about 7419.3919562185. The cubic root of 55047377 is about 380.4044101791.

The spelling of 55047377 in words is "fifty-five million, forty-seven thousand, three hundred seventy-seven".