55896811 has 2 divisors, whose sum is σ = 55896812. Its totient is φ = 55896810.

The previous prime is 55896787. The next prime is 55896829. The reversal of 55896811 is 11869855.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55896811 - 2⁵ = 55896779 is a prime.

It is not a weakly prime, because it can be changed into another prime (55896871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27948405 + 27948406.

It is an arithmetic number, because the mean of its divisors is an integer number (27948406).

Almost surely, 2^55896811 is an apocalyptic number.

55896811 is a deficient number, since it is larger than the sum of its proper divisors (1).

55896811 is an equidigital number, since it uses as much as digits as its factorization.

55896811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 43.

The square root of 55896811 is about 7476.4169894409. The cubic root of 55896811 is about 382.3510998603.

The spelling of 55896811 in words is "fifty-five million, eight hundred ninety-six thousand, eight hundred eleven".