55381677 has 32 divisors (see below), whose sum is σ = 85881600. Its totient is φ = 31460352.

The previous prime is 55381663. The next prime is 55381681. The reversal of 55381677 is 77618355.

It is not a de Polignac number, because 55381677 - 2⁸ = 55381421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55381657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24949 + ... + 27077.

It is an arithmetic number, because the mean of its divisors is an integer number (2683800).

Almost surely, 2^55381677 is an apocalyptic number.

It is an amenable number.

55381677 is a deficient number, since it is larger than the sum of its proper divisors (30499923).

55381677 is a wasteful number, since it uses less digits than its factorization.

55381677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197.

The product of its digits is 176400, while the sum is 42.

The square root of 55381677 is about 7441.8866559496. The cubic root of 55381677 is about 381.1729156347.

The spelling of 55381677 in words is "fifty-five million, three hundred eighty-one thousand, six hundred seventy-seven".