55767623 has 2 divisors, whose sum is σ = 55767624. Its totient is φ = 55767622.

The previous prime is 55767619. The next prime is 55767653. The reversal of 55767623 is 32676755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55767623 - 2² = 55767619 is a prime.

It is a super-2 number, since 2×55767623² = 6220055550140258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55767653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27883811 + 27883812.

It is an arithmetic number, because the mean of its divisors is an integer number (27883812).

Almost surely, 2^55767623 is an apocalyptic number.

55767623 is a deficient number, since it is larger than the sum of its proper divisors (1).

55767623 is an equidigital number, since it uses as much as digits as its factorization.

55767623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264600, while the sum is 41.

The square root of 55767623 is about 7467.7722916543. The cubic root of 55767623 is about 382.0563109700.

The spelling of 55767623 in words is "fifty-five million, seven hundred sixty-seven thousand, six hundred twenty-three".