55270377 has 16 divisors (see below), whose sum is σ = 83106880. Its totient is φ = 36295776.

The previous prime is 55270343. The next prime is 55270387. The reversal of 55270377 is 77307255.

55270377 is a `hidden beast` number, since 552 + 70 + 37 + 7 = 666.

It is not a de Polignac number, because 55270377 - 2⁸ = 55270121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55270307) 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, 13468 + ... + 17085.

It is an arithmetic number, because the mean of its divisors is an integer number (5194180).

Almost surely, 2^55270377 is an apocalyptic number.

It is an amenable number.

55270377 is a deficient number, since it is larger than the sum of its proper divisors (27836503).

55270377 is a wasteful number, since it uses less digits than its factorization.

55270377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30629 (or 30623 counting only the distinct ones).

The product of its (nonzero) digits is 51450, while the sum is 36.

The square root of 55270377 is about 7434.4049526509. The cubic root of 55270377 is about 380.9173979277.

The spelling of 55270377 in words is "fifty-five million, two hundred seventy thousand, three hundred seventy-seven".