55192751 has 2 divisors, whose sum is σ = 55192752. Its totient is φ = 55192750.

The previous prime is 55192717. The next prime is 55192757. The reversal of 55192751 is 15729155.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55192751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55192757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27596375 + 27596376.

It is an arithmetic number, because the mean of its divisors is an integer number (27596376).

Almost surely, 2^55192751 is an apocalyptic number.

55192751 is a deficient number, since it is larger than the sum of its proper divisors (1).

55192751 is an equidigital number, since it uses as much as digits as its factorization.

55192751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15750, while the sum is 35.

The square root of 55192751 is about 7429.1823910845. The cubic root of 55192751 is about 380.7389844062.

The spelling of 55192751 in words is "fifty-five million, one hundred ninety-two thousand, seven hundred fifty-one".