55126963 has 4 divisors (see below), whose sum is σ = 55280880. Its totient is φ = 54973048.

The previous prime is 55126957. The next prime is 55126987. The reversal of 55126963 is 36962155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55126963 - 2¹³ = 55118771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55126933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76420 + ... + 77137.

It is an arithmetic number, because the mean of its divisors is an integer number (13820220).

Almost surely, 2^55126963 is an apocalyptic number.

55126963 is a deficient number, since it is larger than the sum of its proper divisors (153917).

55126963 is a wasteful number, since it uses less digits than its factorization.

55126963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153916.

The product of its digits is 48600, while the sum is 37.

The square root of 55126963 is about 7424.7533965782. The cubic root of 55126963 is about 380.5876480163.

The spelling of 55126963 in words is "fifty-five million, one hundred twenty-six thousand, nine hundred sixty-three".