55127751 has 16 divisors (see below), whose sum is σ = 84282624. Its totient is φ = 31397184.

The previous prime is 55127747. The next prime is 55127773. The reversal of 55127751 is 15772155.

It is not a de Polignac number, because 55127751 - 2² = 55127747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55125751) 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, 2380 + ... + 10766.

It is an arithmetic number, because the mean of its divisors is an integer number (5267664).

Almost surely, 2^55127751 is an apocalyptic number.

55127751 is a deficient number, since it is larger than the sum of its proper divisors (29154873).

55127751 is a wasteful number, since it uses less digits than its factorization.

55127751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8710.

The product of its digits is 12250, while the sum is 33.

The square root of 55127751 is about 7424.8064621241. The cubic root of 55127751 is about 380.5894614159.

The spelling of 55127751 in words is "fifty-five million, one hundred twenty-seven thousand, seven hundred fifty-one".