55103277 has 16 divisors (see below), whose sum is σ = 76769280. Its totient is φ = 35112000.

The previous prime is 55103267. The next prime is 55103327. The reversal of 55103277 is 77230155.

It is not a de Polignac number, because 55103277 - 2¹⁹ = 54578989 is a prime.

It is a super-2 number, since 2×55103277² = 6072742272277458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55103267) 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, 5652 + ... + 11922.

It is an arithmetic number, because the mean of its divisors is an integer number (4798080).

Almost surely, 2^55103277 is an apocalyptic number.

It is an amenable number.

55103277 is a deficient number, since it is larger than the sum of its proper divisors (21666003).

55103277 is a wasteful number, since it uses less digits than its factorization.

55103277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 55103277 is about 7423.1581553945. The cubic root of 55103277 is about 380.5331321017.

The spelling of 55103277 in words is "fifty-five million, one hundred three thousand, two hundred seventy-seven".