55377677505 has 8 divisors (see below), whose sum is σ = 88604284032. Its totient is φ = 29534761328.

The previous prime is 55377677491. The next prime is 55377677561. The reversal of 55377677505 is 50577677355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55377677505 - 2⁴ = 55377677489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1845922569 + ... + 1845922598.

It is an arithmetic number, because the mean of its divisors is an integer number (11075535504).

Almost surely, 2^55377677505 is an apocalyptic number.

It is an amenable number.

55377677505 is a deficient number, since it is larger than the sum of its proper divisors (33226606527).

55377677505 is a wasteful number, since it uses less digits than its factorization.

55377677505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691845175.

The product of its (nonzero) digits is 27011250, while the sum is 57.

The spelling of 55377677505 in words is "fifty-five billion, three hundred seventy-seven million, six hundred seventy-seven thousand, five hundred five".